Home / 318,250,566.90-477,375,982.74-143,169,099.30

Finding the Fourth Proportional to 318,250,566.90, 477,375,982.74 and 143,169,099.30

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Solution

The fourth proportional to 318,250,566.90, 477,375,982.74 and 143,169,099.30 is: 214,753,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,566.90 : 477,375,982.74 = 143,169,099.30 : x
  2. Step 2: Convert to fraction form
    318,250,566.90/477,375,982.74 = 143,169,099.30/x
  3. Step 3: Cross multiply
    318,250,566.90x = 477,375,982.74 × 143,169,099.30
  4. Step 4: Simplify right side
    318,250,566.90x = 68,345,489,476,338,152
  5. Step 5: Solve for x
    x = 68,345,489,476,338,152/318,250,566.90
  6. Step 6: Final answer
    x = 214,753,708.51

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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.