Home / 81,662,550.80-122,493,826.20-36,224,345.30

Finding the Fourth Proportional to 81,662,550.80, 122,493,826.20 and 36,224,345.30

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Solution

The fourth proportional to 81,662,550.80, 122,493,826.20 and 36,224,345.30 is: 54,336,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,662,550.80 : 122,493,826.20 = 36,224,345.30 : x
  2. Step 2: Convert to fraction form
    81,662,550.80/122,493,826.20 = 36,224,345.30/x
  3. Step 3: Cross multiply
    81,662,550.80x = 122,493,826.20 × 36,224,345.30
  4. Step 4: Simplify right side
    81,662,550.80x = 4,437,258,657,386,986.50
  5. Step 5: Solve for x
    x = 4,437,258,657,386,986.50/81,662,550.80
  6. Step 6: Final answer
    x = 54,336,517.95

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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.