Home / 140,909,459.20-211,165,123.20-104,231,622.40

Finding the Fourth Proportional to 140,909,459.20, 211,165,123.20 and 104,231,622.40

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Solution

The fourth proportional to 140,909,459.20, 211,165,123.20 and 104,231,622.40 is: 156,200,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,909,459.20 : 211,165,123.20 = 104,231,622.40 : x
  2. Step 2: Convert to fraction form
    140,909,459.20/211,165,123.20 = 104,231,622.40/x
  3. Step 3: Cross multiply
    140,909,459.20x = 211,165,123.20 × 104,231,622.40
  4. Step 4: Simplify right side
    140,909,459.20x = 22,010,083,385,431,880
  5. Step 5: Solve for x
    x = 22,010,083,385,431,880/140,909,459.20
  6. Step 6: Final answer
    x = 156,200,183.51

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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.