Home / 147,177,367.74-203,095,616.12-81,094,167.92

Finding the Fourth Proportional to 147,177,367.74, 203,095,616.12 and 81,094,167.92

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Solution

The fourth proportional to 147,177,367.74, 203,095,616.12 and 81,094,167.92 is: 111,904,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,367.74 : 203,095,616.12 = 81,094,167.92 : x
  2. Step 2: Convert to fraction form
    147,177,367.74/203,095,616.12 = 81,094,167.92/x
  3. Step 3: Cross multiply
    147,177,367.74x = 203,095,616.12 × 81,094,167.92
  4. Step 4: Simplify right side
    147,177,367.74x = 16,469,869,996,715,098
  5. Step 5: Solve for x
    x = 16,469,869,996,715,098/147,177,367.74
  6. Step 6: Final answer
    x = 111,904,909.36

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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.