Home / 71,218,014.17-106,949,273.55-43,713,441.31

Finding the Fourth Proportional to 71,218,014.17, 106,949,273.55 and 43,713,441.31

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Solution

The fourth proportional to 71,218,014.17, 106,949,273.55 and 43,713,441.31 is: 65,645,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,014.17 : 106,949,273.55 = 43,713,441.31 : x
  2. Step 2: Convert to fraction form
    71,218,014.17/106,949,273.55 = 43,713,441.31/x
  3. Step 3: Cross multiply
    71,218,014.17x = 106,949,273.55 × 43,713,441.31
  4. Step 4: Simplify right side
    71,218,014.17x = 4,675,120,792,220,715
  5. Step 5: Solve for x
    x = 4,675,120,792,220,715/71,218,014.17
  6. Step 6: Final answer
    x = 65,645,200.12

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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.