Home / 71,753,315.60-107,629,973.40-67,974,179.60

Finding the Fourth Proportional to 71,753,315.60, 107,629,973.40 and 67,974,179.60

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Solution

The fourth proportional to 71,753,315.60, 107,629,973.40 and 67,974,179.60 is: 101,961,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,753,315.60 : 107,629,973.40 = 67,974,179.60 : x
  2. Step 2: Convert to fraction form
    71,753,315.60/107,629,973.40 = 67,974,179.60/x
  3. Step 3: Cross multiply
    71,753,315.60x = 107,629,973.40 × 67,974,179.60
  4. Step 4: Simplify right side
    71,753,315.60x = 7,316,059,142,234,822
  5. Step 5: Solve for x
    x = 7,316,059,142,234,822/71,753,315.60
  6. Step 6: Final answer
    x = 101,961,269.40

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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.