Home / 80,312,057.38-110,864,540.61-54,241,887.01

Finding the Fourth Proportional to 80,312,057.38, 110,864,540.61 and 54,241,887.01

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Solution

The fourth proportional to 80,312,057.38, 110,864,540.61 and 54,241,887.01 is: 74,876,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,312,057.38 : 110,864,540.61 = 54,241,887.01 : x
  2. Step 2: Convert to fraction form
    80,312,057.38/110,864,540.61 = 54,241,887.01/x
  3. Step 3: Cross multiply
    80,312,057.38x = 110,864,540.61 × 54,241,887.01
  4. Step 4: Simplify right side
    80,312,057.38x = 6,013,501,884,832,261
  5. Step 5: Solve for x
    x = 6,013,501,884,832,261/80,312,057.38
  6. Step 6: Final answer
    x = 74,876,700.72

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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.