Home / 112,523,294.40-168,784,941.60-107,988,331.20

Finding the Fourth Proportional to 112,523,294.40, 168,784,941.60 and 107,988,331.20

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Solution

The fourth proportional to 112,523,294.40, 168,784,941.60 and 107,988,331.20 is: 161,982,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,294.40 : 168,784,941.60 = 107,988,331.20 : x
  2. Step 2: Convert to fraction form
    112,523,294.40/168,784,941.60 = 107,988,331.20/x
  3. Step 3: Cross multiply
    112,523,294.40x = 168,784,941.60 × 107,988,331.20
  4. Step 4: Simplify right side
    112,523,294.40x = 18,226,804,175,073,456
  5. Step 5: Solve for x
    x = 18,226,804,175,073,456/112,523,294.40
  6. Step 6: Final answer
    x = 161,982,496.80

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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.