Home / 91,711,473.80-137,514,460.20-54,860,173.88

Finding the Fourth Proportional to 91,711,473.80, 137,514,460.20 and 54,860,173.88

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Solution

The fourth proportional to 91,711,473.80, 137,514,460.20 and 54,860,173.88 is: 82,258,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,711,473.80 : 137,514,460.20 = 54,860,173.88 : x
  2. Step 2: Convert to fraction form
    91,711,473.80/137,514,460.20 = 54,860,173.88/x
  3. Step 3: Cross multiply
    91,711,473.80x = 137,514,460.20 × 54,860,173.88
  4. Step 4: Simplify right side
    91,711,473.80x = 7,544,067,197,586,339
  5. Step 5: Solve for x
    x = 7,544,067,197,586,339/91,711,473.80
  6. Step 6: Final answer
    x = 82,258,706.41

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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.