Home / 87,488,265.60-131,232,398.40-82,449,417.60

Finding the Fourth Proportional to 87,488,265.60, 131,232,398.40 and 82,449,417.60

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Solution

The fourth proportional to 87,488,265.60, 131,232,398.40 and 82,449,417.60 is: 123,674,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,265.60 : 131,232,398.40 = 82,449,417.60 : x
  2. Step 2: Convert to fraction form
    87,488,265.60/131,232,398.40 = 82,449,417.60/x
  3. Step 3: Cross multiply
    87,488,265.60x = 131,232,398.40 × 82,449,417.60
  4. Step 4: Simplify right side
    87,488,265.60x = 10,820,034,818,331,172
  5. Step 5: Solve for x
    x = 10,820,034,818,331,172/87,488,265.60
  6. Step 6: Final answer
    x = 123,674,126.40

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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.