Home / 80,922,140.80-121,383,211.20-73,552,825.60

Finding the Fourth Proportional to 80,922,140.80, 121,383,211.20 and 73,552,825.60

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Solution

The fourth proportional to 80,922,140.80, 121,383,211.20 and 73,552,825.60 is: 110,329,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,140.80 : 121,383,211.20 = 73,552,825.60 : x
  2. Step 2: Convert to fraction form
    80,922,140.80/121,383,211.20 = 73,552,825.60/x
  3. Step 3: Cross multiply
    80,922,140.80x = 121,383,211.20 × 73,552,825.60
  4. Step 4: Simplify right side
    80,922,140.80x = 8,928,078,164,161,566
  5. Step 5: Solve for x
    x = 8,928,078,164,161,566/80,922,140.80
  6. Step 6: Final answer
    x = 110,329,238.40

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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.