Home / 73,679,972.40-110,519,958.60-72,245,081.70

Finding the Fourth Proportional to 73,679,972.40, 110,519,958.60 and 72,245,081.70

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Solution

The fourth proportional to 73,679,972.40, 110,519,958.60 and 72,245,081.70 is: 108,367,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679,972.40 : 110,519,958.60 = 72,245,081.70 : x
  2. Step 2: Convert to fraction form
    73,679,972.40/110,519,958.60 = 72,245,081.70/x
  3. Step 3: Cross multiply
    73,679,972.40x = 110,519,958.60 × 72,245,081.70
  4. Step 4: Simplify right side
    73,679,972.40x = 7,984,523,438,537,618
  5. Step 5: Solve for x
    x = 7,984,523,438,537,618/73,679,972.40
  6. Step 6: Final answer
    x = 108,367,622.55

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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.