Home / 275,603,039.40-413,404,559.10-81,497,166.60

Finding the Fourth Proportional to 275,603,039.40, 413,404,559.10 and 81,497,166.60

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Solution

The fourth proportional to 275,603,039.40, 413,404,559.10 and 81,497,166.60 is: 122,245,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,603,039.40 : 413,404,559.10 = 81,497,166.60 : x
  2. Step 2: Convert to fraction form
    275,603,039.40/413,404,559.10 = 81,497,166.60/x
  3. Step 3: Cross multiply
    275,603,039.40x = 413,404,559.10 × 81,497,166.60
  4. Step 4: Simplify right side
    275,603,039.40x = 33,691,300,226,172,244
  5. Step 5: Solve for x
    x = 33,691,300,226,172,244/275,603,039.40
  6. Step 6: Final answer
    x = 122,245,749.90

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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.