Home / 125,157,542.40-172,714,325.76-69,402,654.72

Finding the Fourth Proportional to 125,157,542.40, 172,714,325.76 and 69,402,654.72

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Solution

The fourth proportional to 125,157,542.40, 172,714,325.76 and 69,402,654.72 is: 95,773,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,157,542.40 : 172,714,325.76 = 69,402,654.72 : x
  2. Step 2: Convert to fraction form
    125,157,542.40/172,714,325.76 = 69,402,654.72/x
  3. Step 3: Cross multiply
    125,157,542.40x = 172,714,325.76 × 69,402,654.72
  4. Step 4: Simplify right side
    125,157,542.40x = 11,986,832,715,918,880
  5. Step 5: Solve for x
    x = 11,986,832,715,918,880/125,157,542.40
  6. Step 6: Final answer
    x = 95,773,954.06

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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.