Home / 87,452,956.80-131,179,435.20-70,446,844.80

Finding the Fourth Proportional to 87,452,956.80, 131,179,435.20 and 70,446,844.80

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Solution

The fourth proportional to 87,452,956.80, 131,179,435.20 and 70,446,844.80 is: 105,670,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452,956.80 : 131,179,435.20 = 70,446,844.80 : x
  2. Step 2: Convert to fraction form
    87,452,956.80/131,179,435.20 = 70,446,844.80/x
  3. Step 3: Cross multiply
    87,452,956.80x = 131,179,435.20 × 70,446,844.80
  4. Step 4: Simplify right side
    87,452,956.80x = 9,241,177,312,486,056
  5. Step 5: Solve for x
    x = 9,241,177,312,486,056/87,452,956.80
  6. Step 6: Final answer
    x = 105,670,267.20

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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.