Home / 131,471,370.40-197,207,055.60-80,453,034.40

Finding the Fourth Proportional to 131,471,370.40, 197,207,055.60 and 80,453,034.40

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Solution

The fourth proportional to 131,471,370.40, 197,207,055.60 and 80,453,034.40 is: 120,679,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,370.40 : 197,207,055.60 = 80,453,034.40 : x
  2. Step 2: Convert to fraction form
    131,471,370.40/197,207,055.60 = 80,453,034.40/x
  3. Step 3: Cross multiply
    131,471,370.40x = 197,207,055.60 × 80,453,034.40
  4. Step 4: Simplify right side
    131,471,370.40x = 15,865,906,028,109,514
  5. Step 5: Solve for x
    x = 15,865,906,028,109,514/131,471,370.40
  6. Step 6: Final answer
    x = 120,679,551.60

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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.