Home / 149,691,909.40-224,537,864.10-91,997,099.80

Finding the Fourth Proportional to 149,691,909.40, 224,537,864.10 and 91,997,099.80

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Solution

The fourth proportional to 149,691,909.40, 224,537,864.10 and 91,997,099.80 is: 137,995,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691,909.40 : 224,537,864.10 = 91,997,099.80 : x
  2. Step 2: Convert to fraction form
    149,691,909.40/224,537,864.10 = 91,997,099.80/x
  3. Step 3: Cross multiply
    149,691,909.40x = 224,537,864.10 × 91,997,099.80
  4. Step 4: Simplify right side
    149,691,909.40x = 20,656,832,292,486,536
  5. Step 5: Solve for x
    x = 20,656,832,292,486,536/149,691,909.40
  6. Step 6: Final answer
    x = 137,995,649.70

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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.