Home / 149,690,404.80-224,535,607.20-85,193,150.40

Finding the Fourth Proportional to 149,690,404.80, 224,535,607.20 and 85,193,150.40

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Solution

The fourth proportional to 149,690,404.80, 224,535,607.20 and 85,193,150.40 is: 127,789,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690,404.80 : 224,535,607.20 = 85,193,150.40 : x
  2. Step 2: Convert to fraction form
    149,690,404.80/224,535,607.20 = 85,193,150.40/x
  3. Step 3: Cross multiply
    149,690,404.80x = 224,535,607.20 × 85,193,150.40
  4. Step 4: Simplify right side
    149,690,404.80x = 19,128,895,754,344,924
  5. Step 5: Solve for x
    x = 19,128,895,754,344,924/149,690,404.80
  6. Step 6: Final answer
    x = 127,789,725.60

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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.