Home / 66,463,982.80-99,695,974.20-30,632,174.80

Finding the Fourth Proportional to 66,463,982.80, 99,695,974.20 and 30,632,174.80

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Solution

The fourth proportional to 66,463,982.80, 99,695,974.20 and 30,632,174.80 is: 45,948,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463,982.80 : 99,695,974.20 = 30,632,174.80 : x
  2. Step 2: Convert to fraction form
    66,463,982.80/99,695,974.20 = 30,632,174.80/x
  3. Step 3: Cross multiply
    66,463,982.80x = 99,695,974.20 × 30,632,174.80
  4. Step 4: Simplify right side
    66,463,982.80x = 3,053,904,508,550,690.50
  5. Step 5: Solve for x
    x = 3,053,904,508,550,690.50/66,463,982.80
  6. Step 6: Final answer
    x = 45,948,262.20

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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.