Home / 231,734,915.20-347,644,363.20-116,429,276.80

Finding the Fourth Proportional to 231,734,915.20, 347,644,363.20 and 116,429,276.80

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Solution

The fourth proportional to 231,734,915.20, 347,644,363.20 and 116,429,276.80 is: 174,665,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,734,915.20 : 347,644,363.20 = 116,429,276.80 : x
  2. Step 2: Convert to fraction form
    231,734,915.20/347,644,363.20 = 116,429,276.80/x
  3. Step 3: Cross multiply
    231,734,915.20x = 347,644,363.20 × 116,429,276.80
  4. Step 4: Simplify right side
    231,734,915.20x = 40,475,981,790,972,528
  5. Step 5: Solve for x
    x = 40,475,981,790,972,528/231,734,915.20
  6. Step 6: Final answer
    x = 174,665,012.20

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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.