Home / 67,288,372.38-100,932,558.57-21,234,908.97

Finding the Fourth Proportional to 67,288,372.38, 100,932,558.57 and 21,234,908.97

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Solution

The fourth proportional to 67,288,372.38, 100,932,558.57 and 21,234,908.97 is: 31,852,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288,372.38 : 100,932,558.57 = 21,234,908.97 : x
  2. Step 2: Convert to fraction form
    67,288,372.38/100,932,558.57 = 21,234,908.97/x
  3. Step 3: Cross multiply
    67,288,372.38x = 100,932,558.57 × 21,234,908.97
  4. Step 4: Simplify right side
    67,288,372.38x = 2,143,293,693,343,143
  5. Step 5: Solve for x
    x = 2,143,293,693,343,143/67,288,372.38
  6. Step 6: Final answer
    x = 31,852,363.46

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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.