Home / 131,471,344.40-197,207,016.60-80,453,008.40

Finding the Fourth Proportional to 131,471,344.40, 197,207,016.60 and 80,453,008.40

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Solution

The fourth proportional to 131,471,344.40, 197,207,016.60 and 80,453,008.40 is: 120,679,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471,344.40 : 197,207,016.60 = 80,453,008.40 : x
  2. Step 2: Convert to fraction form
    131,471,344.40/197,207,016.60 = 80,453,008.40/x
  3. Step 3: Cross multiply
    131,471,344.40x = 197,207,016.60 × 80,453,008.40
  4. Step 4: Simplify right side
    131,471,344.40x = 15,865,897,763,058,740
  5. Step 5: Solve for x
    x = 15,865,897,763,058,740/131,471,344.40
  6. Step 6: Final answer
    x = 120,679,512.60

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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.