Home / 66,172,023.10-99,258,034.65-47,890,452.70

Finding the Fourth Proportional to 66,172,023.10, 99,258,034.65 and 47,890,452.70

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Solution

The fourth proportional to 66,172,023.10, 99,258,034.65 and 47,890,452.70 is: 71,835,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172,023.10 : 99,258,034.65 = 47,890,452.70 : x
  2. Step 2: Convert to fraction form
    66,172,023.10/99,258,034.65 = 47,890,452.70/x
  3. Step 3: Cross multiply
    66,172,023.10x = 99,258,034.65 × 47,890,452.70
  4. Step 4: Simplify right side
    66,172,023.10x = 4,753,512,213,500,787
  5. Step 5: Solve for x
    x = 4,753,512,213,500,787/66,172,023.10
  6. Step 6: Final answer
    x = 71,835,679.05

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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.