Home / 80,113,945,609.80-120,145,404,658.86-26,318,594,256.84

Finding the Fourth Proportional to 80,113,945,609.80, 120,145,404,658.86 and 26,318,594,256.84

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Solution

The fourth proportional to 80,113,945,609.80, 120,145,404,658.86 and 26,318,594,256.84 is: 39,469,509,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,113,945,609.80 : 120,145,404,658.86 = 26,318,594,256.84 : x
  2. Step 2: Convert to fraction form
    80,113,945,609.80/120,145,404,658.86 = 26,318,594,256.84/x
  3. Step 3: Cross multiply
    80,113,945,609.80x = 120,145,404,658.86 × 26,318,594,256.84
  4. Step 4: Simplify right side
    80,113,945,609.80x = 3,162,058,157,040,390,373,376
  5. Step 5: Solve for x
    x = 3,162,058,157,040,390,373,376/80,113,945,609.80
  6. Step 6: Final answer
    x = 39,469,509,746.05

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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.