Home / 359,577,786.30-539,391,037.18-126,380,146.90

Finding the Fourth Proportional to 359,577,786.30, 539,391,037.18 and 126,380,146.90

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Solution

The fourth proportional to 359,577,786.30, 539,391,037.18 and 126,380,146.90 is: 189,578,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,577,786.30 : 539,391,037.18 = 126,380,146.90 : x
  2. Step 2: Convert to fraction form
    359,577,786.30/539,391,037.18 = 126,380,146.90/x
  3. Step 3: Cross multiply
    359,577,786.30x = 539,391,037.18 × 126,380,146.90
  4. Step 4: Simplify right side
    359,577,786.30x = 68,168,318,515,351,760
  5. Step 5: Solve for x
    x = 68,168,318,515,351,760/359,577,786.30
  6. Step 6: Final answer
    x = 189,578,781.32

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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.