Home / 80,617,867.55-120,906,872.03-34,554,513.05

Finding the Fourth Proportional to 80,617,867.55, 120,906,872.03 and 34,554,513.05

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Solution

The fourth proportional to 80,617,867.55, 120,906,872.03 and 34,554,513.05 is: 51,823,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617,867.55 : 120,906,872.03 = 34,554,513.05 : x
  2. Step 2: Convert to fraction form
    80,617,867.55/120,906,872.03 = 34,554,513.05/x
  3. Step 3: Cross multiply
    80,617,867.55x = 120,906,872.03 × 34,554,513.05
  4. Step 4: Simplify right side
    80,617,867.55x = 4,177,878,087,452,069.50
  5. Step 5: Solve for x
    x = 4,177,878,087,452,069.50/80,617,867.55
  6. Step 6: Final answer
    x = 51,823,227.46

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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.