Home / 185,912,212.60-278,868,318.90-83,875,540.60

Finding the Fourth Proportional to 185,912,212.60, 278,868,318.90 and 83,875,540.60

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Solution

The fourth proportional to 185,912,212.60, 278,868,318.90 and 83,875,540.60 is: 125,813,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912,212.60 : 278,868,318.90 = 83,875,540.60 : x
  2. Step 2: Convert to fraction form
    185,912,212.60/278,868,318.90 = 83,875,540.60/x
  3. Step 3: Cross multiply
    185,912,212.60x = 278,868,318.90 × 83,875,540.60
  4. Step 4: Simplify right side
    185,912,212.60x = 23,390,231,003,950,692
  5. Step 5: Solve for x
    x = 23,390,231,003,950,692/185,912,212.60
  6. Step 6: Final answer
    x = 125,813,310.90

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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.