Home / 154,641,459.40-231,962,189.10-103,680,665.80

Finding the Fourth Proportional to 154,641,459.40, 231,962,189.10 and 103,680,665.80

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Solution

The fourth proportional to 154,641,459.40, 231,962,189.10 and 103,680,665.80 is: 155,520,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,641,459.40 : 231,962,189.10 = 103,680,665.80 : x
  2. Step 2: Convert to fraction form
    154,641,459.40/231,962,189.10 = 103,680,665.80/x
  3. Step 3: Cross multiply
    154,641,459.40x = 231,962,189.10 × 103,680,665.80
  4. Step 4: Simplify right side
    154,641,459.40x = 24,049,994,206,313,500
  5. Step 5: Solve for x
    x = 24,049,994,206,313,500/154,641,459.40
  6. Step 6: Final answer
    x = 155,520,998.70

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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.