Home / 81,046,896.80-121,570,345.20-24,313,200.80

Finding the Fourth Proportional to 81,046,896.80, 121,570,345.20 and 24,313,200.80

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Solution

The fourth proportional to 81,046,896.80, 121,570,345.20 and 24,313,200.80 is: 36,469,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,046,896.80 : 121,570,345.20 = 24,313,200.80 : x
  2. Step 2: Convert to fraction form
    81,046,896.80/121,570,345.20 = 24,313,200.80/x
  3. Step 3: Cross multiply
    81,046,896.80x = 121,570,345.20 × 24,313,200.80
  4. Step 4: Simplify right side
    81,046,896.80x = 2,955,764,214,172,916.50
  5. Step 5: Solve for x
    x = 2,955,764,214,172,916.50/81,046,896.80
  6. Step 6: Final answer
    x = 36,469,801.20

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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.