Home / 201,010,004.40-301,515,006.60-132,135,250.80

Finding the Fourth Proportional to 201,010,004.40, 301,515,006.60 and 132,135,250.80

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Solution

The fourth proportional to 201,010,004.40, 301,515,006.60 and 132,135,250.80 is: 198,202,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,010,004.40 : 301,515,006.60 = 132,135,250.80 : x
  2. Step 2: Convert to fraction form
    201,010,004.40/301,515,006.60 = 132,135,250.80/x
  3. Step 3: Cross multiply
    201,010,004.40x = 301,515,006.60 × 132,135,250.80
  4. Step 4: Simplify right side
    201,010,004.40x = 39,840,761,017,054,656
  5. Step 5: Solve for x
    x = 39,840,761,017,054,656/201,010,004.40
  6. Step 6: Final answer
    x = 198,202,876.20

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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.