Home / 83,231,995.20-124,847,992.80-60,405,806.40

Finding the Fourth Proportional to 83,231,995.20, 124,847,992.80 and 60,405,806.40

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Solution

The fourth proportional to 83,231,995.20, 124,847,992.80 and 60,405,806.40 is: 90,608,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231,995.20 : 124,847,992.80 = 60,405,806.40 : x
  2. Step 2: Convert to fraction form
    83,231,995.20/124,847,992.80 = 60,405,806.40/x
  3. Step 3: Cross multiply
    83,231,995.20x = 124,847,992.80 × 60,405,806.40
  4. Step 4: Simplify right side
    83,231,995.20x = 7,541,543,682,505,394
  5. Step 5: Solve for x
    x = 7,541,543,682,505,394/83,231,995.20
  6. Step 6: Final answer
    x = 90,608,709.60

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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.