Home / 80,409,024,921.60-120,613,537,382.40-73,443,321,446.40

Finding the Fourth Proportional to 80,409,024,921.60, 120,613,537,382.40 and 73,443,321,446.40

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Solution

The fourth proportional to 80,409,024,921.60, 120,613,537,382.40 and 73,443,321,446.40 is: 110,164,982,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409,024,921.60 : 120,613,537,382.40 = 73,443,321,446.40 : x
  2. Step 2: Convert to fraction form
    80,409,024,921.60/120,613,537,382.40 = 73,443,321,446.40/x
  3. Step 3: Cross multiply
    80,409,024,921.60x = 120,613,537,382.40 × 73,443,321,446.40
  4. Step 4: Simplify right side
    80,409,024,921.60x = 8,858,258,796,762,984,611,840
  5. Step 5: Solve for x
    x = 8,858,258,796,762,984,611,840/80,409,024,921.60
  6. Step 6: Final answer
    x = 110,164,982,169.60

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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.