Home / 91,008,266.10-136,512,399.15-39,835,965.30

Finding the Fourth Proportional to 91,008,266.10, 136,512,399.15 and 39,835,965.30

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Solution

The fourth proportional to 91,008,266.10, 136,512,399.15 and 39,835,965.30 is: 59,753,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,266.10 : 136,512,399.15 = 39,835,965.30 : x
  2. Step 2: Convert to fraction form
    91,008,266.10/136,512,399.15 = 39,835,965.30/x
  3. Step 3: Cross multiply
    91,008,266.10x = 136,512,399.15 × 39,835,965.30
  4. Step 4: Simplify right side
    91,008,266.10x = 5,438,103,195,559,149
  5. Step 5: Solve for x
    x = 5,438,103,195,559,149/91,008,266.10
  6. Step 6: Final answer
    x = 59,753,947.95

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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.