Home / 82,627,711.20-123,941,566.80-73,557,784.80

Finding the Fourth Proportional to 82,627,711.20, 123,941,566.80 and 73,557,784.80

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Solution

The fourth proportional to 82,627,711.20, 123,941,566.80 and 73,557,784.80 is: 110,336,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,627,711.20 : 123,941,566.80 = 73,557,784.80 : x
  2. Step 2: Convert to fraction form
    82,627,711.20/123,941,566.80 = 73,557,784.80/x
  3. Step 3: Cross multiply
    82,627,711.20x = 123,941,566.80 × 73,557,784.80
  4. Step 4: Simplify right side
    82,627,711.20x = 9,116,867,098,449,224
  5. Step 5: Solve for x
    x = 9,116,867,098,449,224/82,627,711.20
  6. Step 6: Final answer
    x = 110,336,677.20

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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.