Home / 66,432,815.70-99,649,223.55-49,214,127.30

Finding the Fourth Proportional to 66,432,815.70, 99,649,223.55 and 49,214,127.30

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Solution

The fourth proportional to 66,432,815.70, 99,649,223.55 and 49,214,127.30 is: 73,821,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,815.70 : 99,649,223.55 = 49,214,127.30 : x
  2. Step 2: Convert to fraction form
    66,432,815.70/99,649,223.55 = 49,214,127.30/x
  3. Step 3: Cross multiply
    66,432,815.70x = 99,649,223.55 × 49,214,127.30
  4. Step 4: Simplify right side
    66,432,815.70x = 4,904,149,573,135,857
  5. Step 5: Solve for x
    x = 4,904,149,573,135,857/66,432,815.70
  6. Step 6: Final answer
    x = 73,821,190.95

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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.