Home / 116,945,421.40-175,418,132.10-80,665,715.80

Finding the Fourth Proportional to 116,945,421.40, 175,418,132.10 and 80,665,715.80

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Solution

The fourth proportional to 116,945,421.40, 175,418,132.10 and 80,665,715.80 is: 120,998,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945,421.40 : 175,418,132.10 = 80,665,715.80 : x
  2. Step 2: Convert to fraction form
    116,945,421.40/175,418,132.10 = 80,665,715.80/x
  3. Step 3: Cross multiply
    116,945,421.40x = 175,418,132.10 × 80,665,715.80
  4. Step 4: Simplify right side
    116,945,421.40x = 14,150,229,190,145,456
  5. Step 5: Solve for x
    x = 14,150,229,190,145,456/116,945,421.40
  6. Step 6: Final answer
    x = 120,998,573.70

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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.