Home / 111,085,489.72-166,639,186.04-38,292,687.28

Finding the Fourth Proportional to 111,085,489.72, 166,639,186.04 and 38,292,687.28

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Solution

The fourth proportional to 111,085,489.72, 166,639,186.04 and 38,292,687.28 is: 57,442,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,085,489.72 : 166,639,186.04 = 38,292,687.28 : x
  2. Step 2: Convert to fraction form
    111,085,489.72/166,639,186.04 = 38,292,687.28/x
  3. Step 3: Cross multiply
    111,085,489.72x = 166,639,186.04 × 38,292,687.28
  4. Step 4: Simplify right side
    111,085,489.72x = 6,381,062,239,623,461
  5. Step 5: Solve for x
    x = 6,381,062,239,623,461/111,085,489.72
  6. Step 6: Final answer
    x = 57,442,806.04

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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.