Home / 76,426,226,441.05-105,468,511,051.57-42,131,179,588.39

Finding the Fourth Proportional to 76,426,226,441.05, 105,468,511,051.57 and 42,131,179,588.39

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Solution

The fourth proportional to 76,426,226,441.05, 105,468,511,051.57 and 42,131,179,588.39 is: 58,141,203,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426,226,441.05 : 105,468,511,051.57 = 42,131,179,588.39 : x
  2. Step 2: Convert to fraction form
    76,426,226,441.05/105,468,511,051.57 = 42,131,179,588.39/x
  3. Step 3: Cross multiply
    76,426,226,441.05x = 105,468,511,051.57 × 42,131,179,588.39
  4. Step 4: Simplify right side
    76,426,226,441.05x = 4,443,512,780,033,264,451,584
  5. Step 5: Solve for x
    x = 4,443,512,780,033,264,451,584/76,426,226,441.05
  6. Step 6: Final answer
    x = 58,141,203,444.88

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Double scale
Find fourth proportional to 76,426,226,442.05, 105,468,511,052.95 and 42,131,179,589.39
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.