Home / 55,062,932.70-75,980,890.41-31,853,723.28

Finding the Fourth Proportional to 55,062,932.70, 75,980,890.41 and 31,853,723.28

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Solution

The fourth proportional to 55,062,932.70, 75,980,890.41 and 31,853,723.28 is: 43,954,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062,932.70 : 75,980,890.41 = 31,853,723.28 : x
  2. Step 2: Convert to fraction form
    55,062,932.70/75,980,890.41 = 31,853,723.28/x
  3. Step 3: Cross multiply
    55,062,932.70x = 75,980,890.41 × 31,853,723.28
  4. Step 4: Simplify right side
    55,062,932.70x = 2,420,274,257,688,145.50
  5. Step 5: Solve for x
    x = 2,420,274,257,688,145.50/55,062,932.70
  6. Step 6: Final answer
    x = 43,954,692.19

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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.