Home / 87,025,815.03-120,145,261.68-57,696,872.94

Finding the Fourth Proportional to 87,025,815.03, 120,145,261.68 and 57,696,872.94

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Solution

The fourth proportional to 87,025,815.03, 120,145,261.68 and 57,696,872.94 is: 79,654,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025,815.03 : 120,145,261.68 = 57,696,872.94 : x
  2. Step 2: Convert to fraction form
    87,025,815.03/120,145,261.68 = 57,696,872.94/x
  3. Step 3: Cross multiply
    87,025,815.03x = 120,145,261.68 × 57,696,872.94
  4. Step 4: Simplify right side
    87,025,815.03x = 6,932,005,897,494,011
  5. Step 5: Solve for x
    x = 6,932,005,897,494,011/87,025,815.03
  6. Step 6: Final answer
    x = 79,654,593.24

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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.