Home / 80,559,256.73-120,923,405.96-71,395,857.95

Finding the Fourth Proportional to 80,559,256.73, 120,923,405.96 and 71,395,857.95

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Solution

The fourth proportional to 80,559,256.73, 120,923,405.96 and 71,395,857.95 is: 107,168,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559,256.73 : 120,923,405.96 = 71,395,857.95 : x
  2. Step 2: Convert to fraction form
    80,559,256.73/120,923,405.96 = 71,395,857.95/x
  3. Step 3: Cross multiply
    80,559,256.73x = 120,923,405.96 × 71,395,857.95
  4. Step 4: Simplify right side
    80,559,256.73x = 8,633,430,313,788,746
  5. Step 5: Solve for x
    x = 8,633,430,313,788,746/80,559,256.73
  6. Step 6: Final answer
    x = 107,168,693.76

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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.