Home / 71,016,508.96-98,002,803.36-40,083,231.04

Finding the Fourth Proportional to 71,016,508.96, 98,002,803.36 and 40,083,231.04

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Solution

The fourth proportional to 71,016,508.96, 98,002,803.36 and 40,083,231.04 is: 55,314,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,508.96 : 98,002,803.36 = 40,083,231.04 : x
  2. Step 2: Convert to fraction form
    71,016,508.96/98,002,803.36 = 40,083,231.04/x
  3. Step 3: Cross multiply
    71,016,508.96x = 98,002,803.36 × 40,083,231.04
  4. Step 4: Simplify right side
    71,016,508.96x = 3,928,269,009,646,568
  5. Step 5: Solve for x
    x = 3,928,269,009,646,568/71,016,508.96
  6. Step 6: Final answer
    x = 55,314,870.69

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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.