Home / 289,997,155.20-435,499,617.60-153,948,259.20

Finding the Fourth Proportional to 289,997,155.20, 435,499,617.60 and 153,948,259.20

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Solution

The fourth proportional to 289,997,155.20, 435,499,617.60 and 153,948,259.20 is: 231,189,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,997,155.20 : 435,499,617.60 = 153,948,259.20 : x
  2. Step 2: Convert to fraction form
    289,997,155.20/435,499,617.60 = 153,948,259.20/x
  3. Step 3: Cross multiply
    289,997,155.20x = 435,499,617.60 × 153,948,259.20
  4. Step 4: Simplify right side
    289,997,155.20x = 67,044,408,011,785,680
  5. Step 5: Solve for x
    x = 67,044,408,011,785,680/289,997,155.20
  6. Step 6: Final answer
    x = 231,189,881.73

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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.