Home / 87,664,569.60-131,496,854.40-73,421,950.80

Finding the Fourth Proportional to 87,664,569.60, 131,496,854.40 and 73,421,950.80

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Solution

The fourth proportional to 87,664,569.60, 131,496,854.40 and 73,421,950.80 is: 110,132,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664,569.60 : 131,496,854.40 = 73,421,950.80 : x
  2. Step 2: Convert to fraction form
    87,664,569.60/131,496,854.40 = 73,421,950.80/x
  3. Step 3: Cross multiply
    87,664,569.60x = 131,496,854.40 × 73,421,950.80
  4. Step 4: Simplify right side
    87,664,569.60x = 9,654,755,574,111,564
  5. Step 5: Solve for x
    x = 9,654,755,574,111,564/87,664,569.60
  6. Step 6: Final answer
    x = 110,132,926.20

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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.