Home / 205,127,999.20-307,691,998.80-59,561,279.20

Finding the Fourth Proportional to 205,127,999.20, 307,691,998.80 and 59,561,279.20

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Solution

The fourth proportional to 205,127,999.20, 307,691,998.80 and 59,561,279.20 is: 89,341,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,127,999.20 : 307,691,998.80 = 59,561,279.20 : x
  2. Step 2: Convert to fraction form
    205,127,999.20/307,691,998.80 = 59,561,279.20/x
  3. Step 3: Cross multiply
    205,127,999.20x = 307,691,998.80 × 59,561,279.20
  4. Step 4: Simplify right side
    205,127,999.20x = 18,326,529,048,132,868
  5. Step 5: Solve for x
    x = 18,326,529,048,132,868/205,127,999.20
  6. Step 6: Final answer
    x = 89,341,918.80

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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.