Home / 90,503,646.90-135,755,470.35-32,997,794.10

Finding the Fourth Proportional to 90,503,646.90, 135,755,470.35 and 32,997,794.10

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Solution

The fourth proportional to 90,503,646.90, 135,755,470.35 and 32,997,794.10 is: 49,496,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503,646.90 : 135,755,470.35 = 32,997,794.10 : x
  2. Step 2: Convert to fraction form
    90,503,646.90/135,755,470.35 = 32,997,794.10/x
  3. Step 3: Cross multiply
    90,503,646.90x = 135,755,470.35 × 32,997,794.10
  4. Step 4: Simplify right side
    90,503,646.90x = 4,479,631,058,557,955
  5. Step 5: Solve for x
    x = 4,479,631,058,557,955/90,503,646.90
  6. Step 6: Final answer
    x = 49,496,691.15

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Double scale
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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.