Home / 72,600,803.70-108,901,205.55-27,156,693.30

Finding the Fourth Proportional to 72,600,803.70, 108,901,205.55 and 27,156,693.30

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Solution

The fourth proportional to 72,600,803.70, 108,901,205.55 and 27,156,693.30 is: 40,735,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,803.70 : 108,901,205.55 = 27,156,693.30 : x
  2. Step 2: Convert to fraction form
    72,600,803.70/108,901,205.55 = 27,156,693.30/x
  3. Step 3: Cross multiply
    72,600,803.70x = 108,901,205.55 × 27,156,693.30
  4. Step 4: Simplify right side
    72,600,803.70x = 2,957,396,639,121,608
  5. Step 5: Solve for x
    x = 2,957,396,639,121,608/72,600,803.70
  6. Step 6: Final answer
    x = 40,735,039.95

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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.