Home / 87,895,308.29-131,830,128.75-25,629,890.81

Finding the Fourth Proportional to 87,895,308.29, 131,830,128.75 and 25,629,890.81

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Solution

The fourth proportional to 87,895,308.29, 131,830,128.75 and 25,629,890.81 is: 38,441,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895,308.29 : 131,830,128.75 = 25,629,890.81 : x
  2. Step 2: Convert to fraction form
    87,895,308.29/131,830,128.75 = 25,629,890.81/x
  3. Step 3: Cross multiply
    87,895,308.29x = 131,830,128.75 × 25,629,890.81
  4. Step 4: Simplify right side
    87,895,308.29x = 3,378,791,804,671,591
  5. Step 5: Solve for x
    x = 3,378,791,804,671,591/87,895,308.29
  6. Step 6: Final answer
    x = 38,441,093.96

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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.