Home / 116,945,427.40-175,418,141.10-80,665,721.80

Finding the Fourth Proportional to 116,945,427.40, 175,418,141.10 and 80,665,721.80

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Solution

The fourth proportional to 116,945,427.40, 175,418,141.10 and 80,665,721.80 is: 120,998,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945,427.40 : 175,418,141.10 = 80,665,721.80 : x
  2. Step 2: Convert to fraction form
    116,945,427.40/175,418,141.10 = 80,665,721.80/x
  3. Step 3: Cross multiply
    116,945,427.40x = 175,418,141.10 × 80,665,721.80
  4. Step 4: Simplify right side
    116,945,427.40x = 14,150,230,968,645,744
  5. Step 5: Solve for x
    x = 14,150,230,968,645,744/116,945,427.40
  6. Step 6: Final answer
    x = 120,998,582.70

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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.