Home / 45,517,200.30-68,275,800.45-31,646,590.20

Finding the Fourth Proportional to 45,517,200.30, 68,275,800.45 and 31,646,590.20

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Solution

The fourth proportional to 45,517,200.30, 68,275,800.45 and 31,646,590.20 is: 47,469,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517,200.30 : 68,275,800.45 = 31,646,590.20 : x
  2. Step 2: Convert to fraction form
    45,517,200.30/68,275,800.45 = 31,646,590.20/x
  3. Step 3: Cross multiply
    45,517,200.30x = 68,275,800.45 × 31,646,590.20
  4. Step 4: Simplify right side
    45,517,200.30x = 2,160,696,277,418,125.75
  5. Step 5: Solve for x
    x = 2,160,696,277,418,125.75/45,517,200.30
  6. Step 6: Final answer
    x = 47,469,885.30

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Double scale
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Similar ratio
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1.5x scale

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.