Home / 137,301,708.30-205,952,562.45-72,580,505.10

Finding the Fourth Proportional to 137,301,708.30, 205,952,562.45 and 72,580,505.10

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Solution

The fourth proportional to 137,301,708.30, 205,952,562.45 and 72,580,505.10 is: 108,870,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301,708.30 : 205,952,562.45 = 72,580,505.10 : x
  2. Step 2: Convert to fraction form
    137,301,708.30/205,952,562.45 = 72,580,505.10/x
  3. Step 3: Cross multiply
    137,301,708.30x = 205,952,562.45 × 72,580,505.10
  4. Step 4: Simplify right side
    137,301,708.30x = 14,948,141,009,260,292
  5. Step 5: Solve for x
    x = 14,948,141,009,260,292/137,301,708.30
  6. Step 6: Final answer
    x = 108,870,757.65

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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.