Home / 225,942,617.60-338,971,663.20-72,590,177.60

Finding the Fourth Proportional to 225,942,617.60, 338,971,663.20 and 72,590,177.60

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Solution

The fourth proportional to 225,942,617.60, 338,971,663.20 and 72,590,177.60 is: 108,903,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,942,617.60 : 338,971,663.20 = 72,590,177.60 : x
  2. Step 2: Convert to fraction form
    225,942,617.60/338,971,663.20 = 72,590,177.60/x
  3. Step 3: Cross multiply
    225,942,617.60x = 338,971,663.20 × 72,590,177.60
  4. Step 4: Simplify right side
    225,942,617.60x = 24,606,013,233,055,380
  5. Step 5: Solve for x
    x = 24,606,013,233,055,380/225,942,617.60
  6. Step 6: Final answer
    x = 108,903,815.91

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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.