Home / 91,789,498.53-137,597,687.93-45,687,780.62

Finding the Fourth Proportional to 91,789,498.53, 137,597,687.93 and 45,687,780.62

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Solution

The fourth proportional to 91,789,498.53, 137,597,687.93 and 45,687,780.62 is: 68,488,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,789,498.53 : 137,597,687.93 = 45,687,780.62 : x
  2. Step 2: Convert to fraction form
    91,789,498.53/137,597,687.93 = 45,687,780.62/x
  3. Step 3: Cross multiply
    91,789,498.53x = 137,597,687.93 × 45,687,780.62
  4. Step 4: Simplify right side
    91,789,498.53x = 6,286,532,979,048,635
  5. Step 5: Solve for x
    x = 6,286,532,979,048,635/91,789,498.53
  6. Step 6: Final answer
    x = 68,488,586.16

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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.