Home / 359,577,788.81-539,391,040.92-126,380,149.41

Finding the Fourth Proportional to 359,577,788.81, 539,391,040.92 and 126,380,149.41

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Solution

The fourth proportional to 359,577,788.81, 539,391,040.92 and 126,380,149.41 is: 189,578,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,577,788.81 : 539,391,040.92 = 126,380,149.41 : x
  2. Step 2: Convert to fraction form
    359,577,788.81/539,391,040.92 = 126,380,149.41/x
  3. Step 3: Cross multiply
    359,577,788.81x = 539,391,040.92 × 126,380,149.41
  4. Step 4: Simplify right side
    359,577,788.81x = 68,168,320,341,885,016
  5. Step 5: Solve for x
    x = 68,168,320,341,885,016/359,577,788.81
  6. Step 6: Final answer
    x = 189,578,785.07

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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.