Home / 275,445,200.40-412,272,005.40-214,531,126.80

Finding the Fourth Proportional to 275,445,200.40, 412,272,005.40 and 214,531,126.80

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Solution

The fourth proportional to 275,445,200.40, 412,272,005.40 and 214,531,126.80 is: 321,098,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,445,200.40 : 412,272,005.40 = 214,531,126.80 : x
  2. Step 2: Convert to fraction form
    275,445,200.40/412,272,005.40 = 214,531,126.80/x
  3. Step 3: Cross multiply
    275,445,200.40x = 412,272,005.40 × 214,531,126.80
  4. Step 4: Simplify right side
    275,445,200.40x = 88,445,177,866,557,680
  5. Step 5: Solve for x
    x = 88,445,177,866,557,680/275,445,200.40
  6. Step 6: Final answer
    x = 321,098,998.05

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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.