Home / 359,577,784.31-539,391,034.17-126,380,144.90

Finding the Fourth Proportional to 359,577,784.31, 539,391,034.17 and 126,380,144.90

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Solution

The fourth proportional to 359,577,784.31, 539,391,034.17 and 126,380,144.90 is: 189,578,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,577,784.31 : 539,391,034.17 = 126,380,144.90 : x
  2. Step 2: Convert to fraction form
    359,577,784.31/539,391,034.17 = 126,380,144.90/x
  3. Step 3: Cross multiply
    359,577,784.31x = 539,391,034.17 × 126,380,144.90
  4. Step 4: Simplify right side
    359,577,784.31x = 68,168,317,057,513,928
  5. Step 5: Solve for x
    x = 68,168,317,057,513,928/359,577,784.31
  6. Step 6: Final answer
    x = 189,578,778.31

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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.