Home / 359,577,789.81-539,391,042.42-126,380,150.41

Finding the Fourth Proportional to 359,577,789.81, 539,391,042.42 and 126,380,150.41

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Solution

The fourth proportional to 359,577,789.81, 539,391,042.42 and 126,380,150.41 is: 189,578,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,577,789.81 : 539,391,042.42 = 126,380,150.41 : x
  2. Step 2: Convert to fraction form
    359,577,789.81/539,391,042.42 = 126,380,150.41/x
  3. Step 3: Cross multiply
    359,577,789.81x = 539,391,042.42 × 126,380,150.41
  4. Step 4: Simplify right side
    359,577,789.81x = 68,168,321,070,846,280
  5. Step 5: Solve for x
    x = 68,168,321,070,846,280/359,577,789.81
  6. Step 6: Final answer
    x = 189,578,786.57

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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.