Home / 80,852,719.20-121,279,078.80-44,447,042.40

Finding the Fourth Proportional to 80,852,719.20, 121,279,078.80 and 44,447,042.40

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Solution

The fourth proportional to 80,852,719.20, 121,279,078.80 and 44,447,042.40 is: 66,670,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,719.20 : 121,279,078.80 = 44,447,042.40 : x
  2. Step 2: Convert to fraction form
    80,852,719.20/121,279,078.80 = 44,447,042.40/x
  3. Step 3: Cross multiply
    80,852,719.20x = 121,279,078.80 × 44,447,042.40
  4. Step 4: Simplify right side
    80,852,719.20x = 5,390,496,357,656,541
  5. Step 5: Solve for x
    x = 5,390,496,357,656,541/80,852,719.20
  6. Step 6: Final answer
    x = 66,670,563.60

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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.