Home / 359,491,932.90-539,268,601.71-126,302,388.13

Finding the Fourth Proportional to 359,491,932.90, 539,268,601.71 and 126,302,388.13

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Solution

The fourth proportional to 359,491,932.90, 539,268,601.71 and 126,302,388.13 is: 189,464,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,491,932.90 : 539,268,601.71 = 126,302,388.13 : x
  2. Step 2: Convert to fraction form
    359,491,932.90/539,268,601.71 = 126,302,388.13/x
  3. Step 3: Cross multiply
    359,491,932.90x = 539,268,601.71 × 126,302,388.13
  4. Step 4: Simplify right side
    359,491,932.90x = 68,110,912,239,498,800
  5. Step 5: Solve for x
    x = 68,110,912,239,498,800/359,491,932.90
  6. Step 6: Final answer
    x = 189,464,369.03

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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.