Home / 72,239,906.10-108,536,806.35-54,324,002.10

Finding the Fourth Proportional to 72,239,906.10, 108,536,806.35 and 54,324,002.10

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Solution

The fourth proportional to 72,239,906.10, 108,536,806.35 and 54,324,002.10 is: 81,619,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,239,906.10 : 108,536,806.35 = 54,324,002.10 : x
  2. Step 2: Convert to fraction form
    72,239,906.10/108,536,806.35 = 54,324,002.10/x
  3. Step 3: Cross multiply
    72,239,906.10x = 108,536,806.35 × 54,324,002.10
  4. Step 4: Simplify right side
    72,239,906.10x = 5,896,153,696,084,693
  5. Step 5: Solve for x
    x = 5,896,153,696,084,693/72,239,906.10
  6. Step 6: Final answer
    x = 81,619,066.45

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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.