Home / 54,128,749.20-81,193,123.80-52,534,426.20

Finding the Fourth Proportional to 54,128,749.20, 81,193,123.80 and 52,534,426.20

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Solution

The fourth proportional to 54,128,749.20, 81,193,123.80 and 52,534,426.20 is: 78,801,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,749.20 : 81,193,123.80 = 52,534,426.20 : x
  2. Step 2: Convert to fraction form
    54,128,749.20/81,193,123.80 = 52,534,426.20/x
  3. Step 3: Cross multiply
    54,128,749.20x = 81,193,123.80 × 52,534,426.20
  4. Step 4: Simplify right side
    54,128,749.20x = 4,265,434,170,218,563.50
  5. Step 5: Solve for x
    x = 4,265,434,170,218,563.50/54,128,749.20
  6. Step 6: Final answer
    x = 78,801,639.30

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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.