Home / 119,231,999.20-178,847,998.80-34,131,455.20

Finding the Fourth Proportional to 119,231,999.20, 178,847,998.80 and 34,131,455.20

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Solution

The fourth proportional to 119,231,999.20, 178,847,998.80 and 34,131,455.20 is: 51,197,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231,999.20 : 178,847,998.80 = 34,131,455.20 : x
  2. Step 2: Convert to fraction form
    119,231,999.20/178,847,998.80 = 34,131,455.20/x
  3. Step 3: Cross multiply
    119,231,999.20x = 178,847,998.80 × 34,131,455.20
  4. Step 4: Simplify right side
    119,231,999.20x = 6,104,342,458,651,855
  5. Step 5: Solve for x
    x = 6,104,342,458,651,855/119,231,999.20
  6. Step 6: Final answer
    x = 51,197,182.80

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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.