Home / 76,426,226,499.28-105,468,511,132.04-42,131,179,646.64

Finding the Fourth Proportional to 76,426,226,499.28, 105,468,511,132.04 and 42,131,179,646.64

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Solution

The fourth proportional to 76,426,226,499.28, 105,468,511,132.04 and 42,131,179,646.64 is: 58,141,203,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426,226,499.28 : 105,468,511,132.04 = 42,131,179,646.64 : x
  2. Step 2: Convert to fraction form
    76,426,226,499.28/105,468,511,132.04 = 42,131,179,646.64/x
  3. Step 3: Cross multiply
    76,426,226,499.28x = 105,468,511,132.04 × 42,131,179,646.64
  4. Step 4: Simplify right side
    76,426,226,499.28x = 4,443,512,789,567,627,329,536
  5. Step 5: Solve for x
    x = 4,443,512,789,567,627,329,536/76,426,226,499.28
  6. Step 6: Final answer
    x = 58,141,203,525.33

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Double scale
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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.