Home / 359,491,931.90-539,268,600.21-126,302,387.13

Finding the Fourth Proportional to 359,491,931.90, 539,268,600.21 and 126,302,387.13

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Solution

The fourth proportional to 359,491,931.90, 539,268,600.21 and 126,302,387.13 is: 189,464,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,491,931.90 : 539,268,600.21 = 126,302,387.13 : x
  2. Step 2: Convert to fraction form
    359,491,931.90/539,268,600.21 = 126,302,387.13/x
  3. Step 3: Cross multiply
    359,491,931.90x = 539,268,600.21 × 126,302,387.13
  4. Step 4: Simplify right side
    359,491,931.90x = 68,110,911,511,363,928
  5. Step 5: Solve for x
    x = 68,110,911,511,363,928/359,491,931.90
  6. Step 6: Final answer
    x = 189,464,367.54

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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.