Home / 89,070,550.28-122,915,273.46-52,403,478.92

Finding the Fourth Proportional to 89,070,550.28, 122,915,273.46 and 52,403,478.92

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Solution

The fourth proportional to 89,070,550.28, 122,915,273.46 and 52,403,478.92 is: 72,315,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,070,550.28 : 122,915,273.46 = 52,403,478.92 : x
  2. Step 2: Convert to fraction form
    89,070,550.28/122,915,273.46 = 52,403,478.92/x
  3. Step 3: Cross multiply
    89,070,550.28x = 122,915,273.46 × 52,403,478.92
  4. Step 4: Simplify right side
    89,070,550.28x = 6,441,187,941,707,145
  5. Step 5: Solve for x
    x = 6,441,187,941,707,145/89,070,550.28
  6. Step 6: Final answer
    x = 72,315,573.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.