Home / 81,662,500.80-122,493,751.20-36,224,295.30

Finding the Fourth Proportional to 81,662,500.80, 122,493,751.20 and 36,224,295.30

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Solution

The fourth proportional to 81,662,500.80, 122,493,751.20 and 36,224,295.30 is: 54,336,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,662,500.80 : 122,493,751.20 = 36,224,295.30 : x
  2. Step 2: Convert to fraction form
    81,662,500.80/122,493,751.20 = 36,224,295.30/x
  3. Step 3: Cross multiply
    81,662,500.80x = 122,493,751.20 × 36,224,295.30
  4. Step 4: Simplify right side
    81,662,500.80x = 4,437,249,815,873,529
  5. Step 5: Solve for x
    x = 4,437,249,815,873,529/81,662,500.80
  6. Step 6: Final answer
    x = 54,336,442.95

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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.