Home / 52,220,431.62-72,059,974.21-30,195,359.55

Finding the Fourth Proportional to 52,220,431.62, 72,059,974.21 and 30,195,359.55

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Solution

The fourth proportional to 52,220,431.62, 72,059,974.21 and 30,195,359.55 is: 41,667,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220,431.62 : 72,059,974.21 = 30,195,359.55 : x
  2. Step 2: Convert to fraction form
    52,220,431.62/72,059,974.21 = 30,195,359.55/x
  3. Step 3: Cross multiply
    52,220,431.62x = 72,059,974.21 × 30,195,359.55
  4. Step 4: Simplify right side
    52,220,431.62x = 2,175,876,830,472,421.75
  5. Step 5: Solve for x
    x = 2,175,876,830,472,421.75/52,220,431.62
  6. Step 6: Final answer
    x = 41,667,155.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.