Home / 168,327,371.30-252,515,154.15-51,752,515.72

Finding the Fourth Proportional to 168,327,371.30, 252,515,154.15 and 51,752,515.72

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Solution

The fourth proportional to 168,327,371.30, 252,515,154.15 and 51,752,515.72 is: 77,636,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327,371.30 : 252,515,154.15 = 51,752,515.72 : x
  2. Step 2: Convert to fraction form
    168,327,371.30/252,515,154.15 = 51,752,515.72/x
  3. Step 3: Cross multiply
    168,327,371.30x = 252,515,154.15 × 51,752,515.72
  4. Step 4: Simplify right side
    168,327,371.30x = 13,068,294,485,312,078
  5. Step 5: Solve for x
    x = 13,068,294,485,312,078/168,327,371.30
  6. Step 6: Final answer
    x = 77,636,182.30

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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.