Home / 171,071,999.80-256,607,999.70-43,421,183.80

Finding the Fourth Proportional to 171,071,999.80, 256,607,999.70 and 43,421,183.80

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Solution

The fourth proportional to 171,071,999.80, 256,607,999.70 and 43,421,183.80 is: 65,131,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,071,999.80 : 256,607,999.70 = 43,421,183.80 : x
  2. Step 2: Convert to fraction form
    171,071,999.80/256,607,999.70 = 43,421,183.80/x
  3. Step 3: Cross multiply
    171,071,999.80x = 256,607,999.70 × 43,421,183.80
  4. Step 4: Simplify right side
    171,071,999.80x = 11,142,223,119,524,044
  5. Step 5: Solve for x
    x = 11,142,223,119,524,044/171,071,999.80
  6. Step 6: Final answer
    x = 65,131,775.70

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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.