Home / 193,542,606.20-289,915,778.10-97,858,407.80

Finding the Fourth Proportional to 193,542,606.20, 289,915,778.10 and 97,858,407.80

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Solution

The fourth proportional to 193,542,606.20, 289,915,778.10 and 97,858,407.80 is: 146,586,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,542,606.20 : 289,915,778.10 = 97,858,407.80 : x
  2. Step 2: Convert to fraction form
    193,542,606.20/289,915,778.10 = 97,858,407.80/x
  3. Step 3: Cross multiply
    193,542,606.20x = 289,915,778.10 × 97,858,407.80
  4. Step 4: Simplify right side
    193,542,606.20x = 28,370,696,440,964,112
  5. Step 5: Solve for x
    x = 28,370,696,440,964,112/193,542,606.20
  6. Step 6: Final answer
    x = 146,586,309.85

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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.