Home / 91,488,874.20-137,107,340.10-60,695,914.20

Finding the Fourth Proportional to 91,488,874.20, 137,107,340.10 and 60,695,914.20

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Solution

The fourth proportional to 91,488,874.20, 137,107,340.10 and 60,695,914.20 is: 90,960,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488,874.20 : 137,107,340.10 = 60,695,914.20 : x
  2. Step 2: Convert to fraction form
    91,488,874.20/137,107,340.10 = 60,695,914.20/x
  3. Step 3: Cross multiply
    91,488,874.20x = 137,107,340.10 × 60,695,914.20
  4. Step 4: Simplify right side
    91,488,874.20x = 8,321,855,350,899,819
  5. Step 5: Solve for x
    x = 8,321,855,350,899,819/91,488,874.20
  6. Step 6: Final answer
    x = 90,960,298.98

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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.