Home / 125,904,829.20-188,941,224.60-57,712,419.60

Finding the Fourth Proportional to 125,904,829.20, 188,941,224.60 and 57,712,419.60

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Solution

The fourth proportional to 125,904,829.20, 188,941,224.60 and 57,712,419.60 is: 86,607,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,904,829.20 : 188,941,224.60 = 57,712,419.60 : x
  2. Step 2: Convert to fraction form
    125,904,829.20/188,941,224.60 = 57,712,419.60/x
  3. Step 3: Cross multiply
    125,904,829.20x = 188,941,224.60 × 57,712,419.60
  4. Step 4: Simplify right side
    125,904,829.20x = 10,904,255,233,853,042
  5. Step 5: Solve for x
    x = 10,904,255,233,853,042/125,904,829.20
  6. Step 6: Final answer
    x = 86,607,124.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.