Home / 100,720,028.12-138,657,874.33-96,092,505.61

Finding the Fourth Proportional to 100,720,028.12, 138,657,874.33 and 96,092,505.61

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Solution

The fourth proportional to 100,720,028.12, 138,657,874.33 and 96,092,505.61 is: 132,287,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,720,028.12 : 138,657,874.33 = 96,092,505.61 : x
  2. Step 2: Convert to fraction form
    100,720,028.12/138,657,874.33 = 96,092,505.61/x
  3. Step 3: Cross multiply
    100,720,028.12x = 138,657,874.33 × 96,092,505.61
  4. Step 4: Simplify right side
    100,720,028.12x = 13,323,982,566,926,202
  5. Step 5: Solve for x
    x = 13,323,982,566,926,202/100,720,028.12
  6. Step 6: Final answer
    x = 132,287,319.77

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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.