Home / 354,294,920.10-531,442,380.15-124,287,255.30

Finding the Fourth Proportional to 354,294,920.10, 531,442,380.15 and 124,287,255.30

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Solution

The fourth proportional to 354,294,920.10, 531,442,380.15 and 124,287,255.30 is: 186,430,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,920.10 : 531,442,380.15 = 124,287,255.30 : x
  2. Step 2: Convert to fraction form
    354,294,920.10/531,442,380.15 = 124,287,255.30/x
  3. Step 3: Cross multiply
    354,294,920.10x = 531,442,380.15 × 124,287,255.30
  4. Step 4: Simplify right side
    354,294,920.10x = 66,051,514,778,942,696
  5. Step 5: Solve for x
    x = 66,051,514,778,942,696/354,294,920.10
  6. Step 6: Final answer
    x = 186,430,882.95

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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.