Home / 138,019,527.60-206,853,456.60-73,354,311.60

Finding the Fourth Proportional to 138,019,527.60, 206,853,456.60 and 73,354,311.60

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Solution

The fourth proportional to 138,019,527.60, 206,853,456.60 and 73,354,311.60 is: 109,938,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,019,527.60 : 206,853,456.60 = 73,354,311.60 : x
  2. Step 2: Convert to fraction form
    138,019,527.60/206,853,456.60 = 73,354,311.60/x
  3. Step 3: Cross multiply
    138,019,527.60x = 206,853,456.60 × 73,354,311.60
  4. Step 4: Simplify right side
    138,019,527.60x = 15,173,592,910,973,474
  5. Step 5: Solve for x
    x = 15,173,592,910,973,474/138,019,527.60
  6. Step 6: Final answer
    x = 109,938,015.11

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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.