Home / 165,859,997.80-248,789,996.70-79,583,722.60

Finding the Fourth Proportional to 165,859,997.80, 248,789,996.70 and 79,583,722.60

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Solution

The fourth proportional to 165,859,997.80, 248,789,996.70 and 79,583,722.60 is: 119,375,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,859,997.80 : 248,789,996.70 = 79,583,722.60 : x
  2. Step 2: Convert to fraction form
    165,859,997.80/248,789,996.70 = 79,583,722.60/x
  3. Step 3: Cross multiply
    165,859,997.80x = 248,789,996.70 × 79,583,722.60
  4. Step 4: Simplify right side
    165,859,997.80x = 19,799,634,083,027,712
  5. Step 5: Solve for x
    x = 19,799,634,083,027,712/165,859,997.80
  6. Step 6: Final answer
    x = 119,375,583.90

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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.