Home / 188,505,999.70-282,758,999.55-52,191,383.20

Finding the Fourth Proportional to 188,505,999.70, 282,758,999.55 and 52,191,383.20

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Solution

The fourth proportional to 188,505,999.70, 282,758,999.55 and 52,191,383.20 is: 78,287,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,505,999.70 : 282,758,999.55 = 52,191,383.20 : x
  2. Step 2: Convert to fraction form
    188,505,999.70/282,758,999.55 = 52,191,383.20/x
  3. Step 3: Cross multiply
    188,505,999.70x = 282,758,999.55 × 52,191,383.20
  4. Step 4: Simplify right side
    188,505,999.70x = 14,757,583,298,762,680
  5. Step 5: Solve for x
    x = 14,757,583,298,762,680/188,505,999.70
  6. Step 6: Final answer
    x = 78,287,074.80

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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.