Home / 193,087,808.20-289,631,712.30-111,458,470.60

Finding the Fourth Proportional to 193,087,808.20, 289,631,712.30 and 111,458,470.60

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Solution

The fourth proportional to 193,087,808.20, 289,631,712.30 and 111,458,470.60 is: 167,187,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,808.20 : 289,631,712.30 = 111,458,470.60 : x
  2. Step 2: Convert to fraction form
    193,087,808.20/289,631,712.30 = 111,458,470.60/x
  3. Step 3: Cross multiply
    193,087,808.20x = 289,631,712.30 × 111,458,470.60
  4. Step 4: Simplify right side
    193,087,808.20x = 32,281,907,690,217,208
  5. Step 5: Solve for x
    x = 32,281,907,690,217,208/193,087,808.20
  6. Step 6: Final answer
    x = 167,187,705.90

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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.