Home / 118,098,019.80-177,147,029.70-102,981,475.80

Finding the Fourth Proportional to 118,098,019.80, 177,147,029.70 and 102,981,475.80

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Solution

The fourth proportional to 118,098,019.80, 177,147,029.70 and 102,981,475.80 is: 154,472,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,019.80 : 177,147,029.70 = 102,981,475.80 : x
  2. Step 2: Convert to fraction form
    118,098,019.80/177,147,029.70 = 102,981,475.80/x
  3. Step 3: Cross multiply
    118,098,019.80x = 177,147,029.70 × 102,981,475.80
  4. Step 4: Simplify right side
    118,098,019.80x = 18,242,862,552,092,428
  5. Step 5: Solve for x
    x = 18,242,862,552,092,428/118,098,019.80
  6. Step 6: Final answer
    x = 154,472,213.70

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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.