Home / 48,049,938.16-72,101,146.05-20,379,551.64

Finding the Fourth Proportional to 48,049,938.16, 72,101,146.05 and 20,379,551.64

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Solution

The fourth proportional to 48,049,938.16, 72,101,146.05 and 20,379,551.64 is: 30,580,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049,938.16 : 72,101,146.05 = 20,379,551.64 : x
  2. Step 2: Convert to fraction form
    48,049,938.16/72,101,146.05 = 20,379,551.64/x
  3. Step 3: Cross multiply
    48,049,938.16x = 72,101,146.05 × 20,379,551.64
  4. Step 4: Simplify right side
    48,049,938.16x = 1,469,389,029,229,157
  5. Step 5: Solve for x
    x = 1,469,389,029,229,157/48,049,938.16
  6. Step 6: Final answer
    x = 30,580,456.20

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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.