Home / 140,635,711.20-211,016,552.40-63,919,250.40

Finding the Fourth Proportional to 140,635,711.20, 211,016,552.40 and 63,919,250.40

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Solution

The fourth proportional to 140,635,711.20, 211,016,552.40 and 63,919,250.40 is: 95,907,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635,711.20 : 211,016,552.40 = 63,919,250.40 : x
  2. Step 2: Convert to fraction form
    140,635,711.20/211,016,552.40 = 63,919,250.40/x
  3. Step 3: Cross multiply
    140,635,711.20x = 211,016,552.40 × 63,919,250.40
  4. Step 4: Simplify right side
    140,635,711.20x = 13,488,019,851,400,322
  5. Step 5: Solve for x
    x = 13,488,019,851,400,322/140,635,711.20
  6. Step 6: Final answer
    x = 95,907,502.70

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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.