Home / 80,409,025,017.60-120,613,537,526.40-73,443,321,542.40

Finding the Fourth Proportional to 80,409,025,017.60, 120,613,537,526.40 and 73,443,321,542.40

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Solution

The fourth proportional to 80,409,025,017.60, 120,613,537,526.40 and 73,443,321,542.40 is: 110,164,982,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409,025,017.60 : 120,613,537,526.40 = 73,443,321,542.40 : x
  2. Step 2: Convert to fraction form
    80,409,025,017.60/120,613,537,526.40 = 73,443,321,542.40/x
  3. Step 3: Cross multiply
    80,409,025,017.60x = 120,613,537,526.40 × 73,443,321,542.40
  4. Step 4: Simplify right side
    80,409,025,017.60x = 8,858,258,818,917,723,013,120
  5. Step 5: Solve for x
    x = 8,858,258,818,917,723,013,120/80,409,025,017.60
  6. Step 6: Final answer
    x = 110,164,982,313.60

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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.