Home / 71,126,342.68-106,704,743.17-21,275,079.29

Finding the Fourth Proportional to 71,126,342.68, 106,704,743.17 and 21,275,079.29

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Solution

The fourth proportional to 71,126,342.68, 106,704,743.17 and 21,275,079.29 is: 31,917,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126,342.68 : 106,704,743.17 = 21,275,079.29 : x
  2. Step 2: Convert to fraction form
    71,126,342.68/106,704,743.17 = 21,275,079.29/x
  3. Step 3: Cross multiply
    71,126,342.68x = 106,704,743.17 × 21,275,079.29
  4. Step 4: Simplify right side
    71,126,342.68x = 2,270,151,871,774,410
  5. Step 5: Solve for x
    x = 2,270,151,871,774,410/71,126,342.68
  6. Step 6: Final answer
    x = 31,917,174.23

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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.