Home / 123,915,419.40-185,873,129.10-59,345,337.90

Finding the Fourth Proportional to 123,915,419.40, 185,873,129.10 and 59,345,337.90

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Solution

The fourth proportional to 123,915,419.40, 185,873,129.10 and 59,345,337.90 is: 89,018,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,915,419.40 : 185,873,129.10 = 59,345,337.90 : x
  2. Step 2: Convert to fraction form
    123,915,419.40/185,873,129.10 = 59,345,337.90/x
  3. Step 3: Cross multiply
    123,915,419.40x = 185,873,129.10 × 59,345,337.90
  4. Step 4: Simplify right side
    123,915,419.40x = 11,030,703,652,969,822
  5. Step 5: Solve for x
    x = 11,030,703,652,969,822/123,915,419.40
  6. Step 6: Final answer
    x = 89,018,006.85

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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.