Home / 130,190,961.20-195,510,390.60-92,119,665.20

Finding the Fourth Proportional to 130,190,961.20, 195,510,390.60 and 92,119,665.20

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Solution

The fourth proportional to 130,190,961.20, 195,510,390.60 and 92,119,665.20 is: 138,337,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190,961.20 : 195,510,390.60 = 92,119,665.20 : x
  2. Step 2: Convert to fraction form
    130,190,961.20/195,510,390.60 = 92,119,665.20/x
  3. Step 3: Cross multiply
    130,190,961.20x = 195,510,390.60 × 92,119,665.20
  4. Step 4: Simplify right side
    130,190,961.20x = 18,010,351,725,193,228
  5. Step 5: Solve for x
    x = 18,010,351,725,193,228/130,190,961.20
  6. Step 6: Final answer
    x = 138,337,958.02

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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.