Home / 80,542,944.18-111,145,677.75-47,055,527.28

Finding the Fourth Proportional to 80,542,944.18, 111,145,677.75 and 47,055,527.28

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Solution

The fourth proportional to 80,542,944.18, 111,145,677.75 and 47,055,527.28 is: 64,934,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542,944.18 : 111,145,677.75 = 47,055,527.28 : x
  2. Step 2: Convert to fraction form
    80,542,944.18/111,145,677.75 = 47,055,527.28/x
  3. Step 3: Cross multiply
    80,542,944.18x = 111,145,677.75 × 47,055,527.28
  4. Step 4: Simplify right side
    80,542,944.18x = 5,230,018,471,419,214
  5. Step 5: Solve for x
    x = 5,230,018,471,419,214/80,542,944.18
  6. Step 6: Final answer
    x = 64,934,533.06

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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.