Home / 80,559,276.98-120,923,436.33-71,395,878.20

Finding the Fourth Proportional to 80,559,276.98, 120,923,436.33 and 71,395,878.20

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Solution

The fourth proportional to 80,559,276.98, 120,923,436.33 and 71,395,878.20 is: 107,168,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559,276.98 : 120,923,436.33 = 71,395,878.20 : x
  2. Step 2: Convert to fraction form
    80,559,276.98/120,923,436.33 = 71,395,878.20/x
  3. Step 3: Cross multiply
    80,559,276.98x = 120,923,436.33 × 71,395,878.20
  4. Step 4: Simplify right side
    80,559,276.98x = 8,633,434,931,137,517
  5. Step 5: Solve for x
    x = 8,633,434,931,137,517/80,559,276.98
  6. Step 6: Final answer
    x = 107,168,724.14

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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.