Home / 149,471,937.90-224,207,906.85-91,777,128.30

Finding the Fourth Proportional to 149,471,937.90, 224,207,906.85 and 91,777,128.30

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Solution

The fourth proportional to 149,471,937.90, 224,207,906.85 and 91,777,128.30 is: 137,665,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,471,937.90 : 224,207,906.85 = 91,777,128.30 : x
  2. Step 2: Convert to fraction form
    149,471,937.90/224,207,906.85 = 91,777,128.30/x
  3. Step 3: Cross multiply
    149,471,937.90x = 224,207,906.85 × 91,777,128.30
  4. Step 4: Simplify right side
    149,471,937.90x = 20,577,157,832,846,896
  5. Step 5: Solve for x
    x = 20,577,157,832,846,896/149,471,937.90
  6. Step 6: Final answer
    x = 137,665,692.45

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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.