Home / 66,445,385.70-99,668,078.55-50,321,072.10

Finding the Fourth Proportional to 66,445,385.70, 99,668,078.55 and 50,321,072.10

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Solution

The fourth proportional to 66,445,385.70, 99,668,078.55 and 50,321,072.10 is: 75,481,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,385.70 : 99,668,078.55 = 50,321,072.10 : x
  2. Step 2: Convert to fraction form
    66,445,385.70/99,668,078.55 = 50,321,072.10/x
  3. Step 3: Cross multiply
    66,445,385.70x = 99,668,078.55 × 50,321,072.10
  4. Step 4: Simplify right side
    66,445,385.70x = 5,015,404,566,783,013
  5. Step 5: Solve for x
    x = 5,015,404,566,783,013/66,445,385.70
  6. Step 6: Final answer
    x = 75,481,608.15

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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.