Home / 83,038,081.20-124,557,121.80-25,530,260.10

Finding the Fourth Proportional to 83,038,081.20, 124,557,121.80 and 25,530,260.10

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Solution

The fourth proportional to 83,038,081.20, 124,557,121.80 and 25,530,260.10 is: 38,295,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038,081.20 : 124,557,121.80 = 25,530,260.10 : x
  2. Step 2: Convert to fraction form
    83,038,081.20/124,557,121.80 = 25,530,260.10/x
  3. Step 3: Cross multiply
    83,038,081.20x = 124,557,121.80 × 25,530,260.10
  4. Step 4: Simplify right side
    83,038,081.20x = 3,179,975,716,861,380.50
  5. Step 5: Solve for x
    x = 3,179,975,716,861,380.50/83,038,081.20
  6. Step 6: Final answer
    x = 38,295,390.15

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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.