Home / 80,659,133.13-120,988,515.15-34,571,118.02

Finding the Fourth Proportional to 80,659,133.13, 120,988,515.15 and 34,571,118.02

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Solution

The fourth proportional to 80,659,133.13, 120,988,515.15 and 34,571,118.02 is: 51,856,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659,133.13 : 120,988,515.15 = 34,571,118.02 : x
  2. Step 2: Convert to fraction form
    80,659,133.13/120,988,515.15 = 34,571,118.02/x
  3. Step 3: Cross multiply
    80,659,133.13x = 120,988,515.15 × 34,571,118.02
  4. Step 4: Simplify right side
    80,659,133.13x = 4,182,708,236,617,679.50
  5. Step 5: Solve for x
    x = 4,182,708,236,617,679.50/80,659,133.13
  6. Step 6: Final answer
    x = 51,856,597.94

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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.