Home / 55,431,047.30-83,052,092.55-47,305,904.90

Finding the Fourth Proportional to 55,431,047.30, 83,052,092.55 and 47,305,904.90

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Solution

The fourth proportional to 55,431,047.30, 83,052,092.55 and 47,305,904.90 is: 70,878,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431,047.30 : 83,052,092.55 = 47,305,904.90 : x
  2. Step 2: Convert to fraction form
    55,431,047.30/83,052,092.55 = 47,305,904.90/x
  3. Step 3: Cross multiply
    55,431,047.30x = 83,052,092.55 × 47,305,904.90
  4. Step 4: Simplify right side
    55,431,047.30x = 3,928,854,391,916,298
  5. Step 5: Solve for x
    x = 3,928,854,391,916,298/55,431,047.30
  6. Step 6: Final answer
    x = 70,878,227.70

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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.