Home / 148,028,699.40-222,043,049.10-38,853,659.40

Finding the Fourth Proportional to 148,028,699.40, 222,043,049.10 and 38,853,659.40

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Solution

The fourth proportional to 148,028,699.40, 222,043,049.10 and 38,853,659.40 is: 58,280,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028,699.40 : 222,043,049.10 = 38,853,659.40 : x
  2. Step 2: Convert to fraction form
    148,028,699.40/222,043,049.10 = 38,853,659.40/x
  3. Step 3: Cross multiply
    148,028,699.40x = 222,043,049.10 × 38,853,659.40
  4. Step 4: Simplify right side
    148,028,699.40x = 8,627,185,001,868,876
  5. Step 5: Solve for x
    x = 8,627,185,001,868,876/148,028,699.40
  6. Step 6: Final answer
    x = 58,280,489.10

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Similar ratio
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1.5x scale

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.