Home / 137,799,616.32-206,692,555.68-51,531,680.88

Finding the Fourth Proportional to 137,799,616.32, 206,692,555.68 and 51,531,680.88

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Solution

The fourth proportional to 137,799,616.32, 206,692,555.68 and 51,531,680.88 is: 77,294,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799,616.32 : 206,692,555.68 = 51,531,680.88 : x
  2. Step 2: Convert to fraction form
    137,799,616.32/206,692,555.68 = 51,531,680.88/x
  3. Step 3: Cross multiply
    137,799,616.32x = 206,692,555.68 × 51,531,680.88
  4. Step 4: Simplify right side
    137,799,616.32x = 10,651,214,819,573,392
  5. Step 5: Solve for x
    x = 10,651,214,819,573,392/137,799,616.32
  6. Step 6: Final answer
    x = 77,294,952.66

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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.