Home / 82,569,080.80-123,853,621.20-55,359,301.60

Finding the Fourth Proportional to 82,569,080.80, 123,853,621.20 and 55,359,301.60

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Solution

The fourth proportional to 82,569,080.80, 123,853,621.20 and 55,359,301.60 is: 83,038,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,569,080.80 : 123,853,621.20 = 55,359,301.60 : x
  2. Step 2: Convert to fraction form
    82,569,080.80/123,853,621.20 = 55,359,301.60/x
  3. Step 3: Cross multiply
    82,569,080.80x = 123,853,621.20 × 55,359,301.60
  4. Step 4: Simplify right side
    82,569,080.80x = 6,856,449,970,262,954
  5. Step 5: Solve for x
    x = 6,856,449,970,262,954/82,569,080.80
  6. Step 6: Final answer
    x = 83,038,952.40

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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.