Home / 80,409,025,016.10-120,613,537,524.15-73,443,321,540.90

Finding the Fourth Proportional to 80,409,025,016.10, 120,613,537,524.15 and 73,443,321,540.90

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Solution

The fourth proportional to 80,409,025,016.10, 120,613,537,524.15 and 73,443,321,540.90 is: 110,164,982,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409,025,016.10 : 120,613,537,524.15 = 73,443,321,540.90 : x
  2. Step 2: Convert to fraction form
    80,409,025,016.10/120,613,537,524.15 = 73,443,321,540.90/x
  3. Step 3: Cross multiply
    80,409,025,016.10x = 120,613,537,524.15 × 73,443,321,540.90
  4. Step 4: Simplify right side
    80,409,025,016.10x = 8,858,258,818,571,554,521,088
  5. Step 5: Solve for x
    x = 8,858,258,818,571,554,521,088/80,409,025,016.10
  6. Step 6: Final answer
    x = 110,164,982,311.35

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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.