Home / 154,245,452.57-212,858,701.41-88,167,369.60

Finding the Fourth Proportional to 154,245,452.57, 212,858,701.41 and 88,167,369.60

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Solution

The fourth proportional to 154,245,452.57, 212,858,701.41 and 88,167,369.60 is: 121,670,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,245,452.57 : 212,858,701.41 = 88,167,369.60 : x
  2. Step 2: Convert to fraction form
    154,245,452.57/212,858,701.41 = 88,167,369.60/x
  3. Step 3: Cross multiply
    154,245,452.57x = 212,858,701.41 × 88,167,369.60
  4. Step 4: Simplify right side
    154,245,452.57x = 18,767,191,799,791,508
  5. Step 5: Solve for x
    x = 18,767,191,799,791,508/154,245,452.57
  6. Step 6: Final answer
    x = 121,670,956.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.