Home / 76,426,226,480.90-105,468,511,106.64-42,131,179,628.25

Finding the Fourth Proportional to 76,426,226,480.90, 105,468,511,106.64 and 42,131,179,628.25

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Solution

The fourth proportional to 76,426,226,480.90, 105,468,511,106.64 and 42,131,179,628.25 is: 58,141,203,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426,226,480.90 : 105,468,511,106.64 = 42,131,179,628.25 : x
  2. Step 2: Convert to fraction form
    76,426,226,480.90/105,468,511,106.64 = 42,131,179,628.25/x
  3. Step 3: Cross multiply
    76,426,226,480.90x = 105,468,511,106.64 × 42,131,179,628.25
  4. Step 4: Simplify right side
    76,426,226,480.90x = 4,443,512,786,557,930,045,440
  5. Step 5: Solve for x
    x = 4,443,512,786,557,930,045,440/76,426,226,480.90
  6. Step 6: Final answer
    x = 58,141,203,499.93

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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.