Home / 168,995,915.09-253,057,298.28-116,635,155.42

Finding the Fourth Proportional to 168,995,915.09, 253,057,298.28 and 116,635,155.42

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Solution

The fourth proportional to 168,995,915.09, 253,057,298.28 and 116,635,155.42 is: 174,651,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,995,915.09 : 253,057,298.28 = 116,635,155.42 : x
  2. Step 2: Convert to fraction form
    168,995,915.09/253,057,298.28 = 116,635,155.42/x
  3. Step 3: Cross multiply
    168,995,915.09x = 253,057,298.28 × 116,635,155.42
  4. Step 4: Simplify right side
    168,995,915.09x = 29,515,377,315,564,680
  5. Step 5: Solve for x
    x = 29,515,377,315,564,680/168,995,915.09
  6. Step 6: Final answer
    x = 174,651,424.56

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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.