Home / 258,828,267.38-388,250,372.68-113,186,861.33

Finding the Fourth Proportional to 258,828,267.38, 388,250,372.68 and 113,186,861.33

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Solution

The fourth proportional to 258,828,267.38, 388,250,372.68 and 113,186,861.33 is: 169,783,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,828,267.38 : 388,250,372.68 = 113,186,861.33 : x
  2. Step 2: Convert to fraction form
    258,828,267.38/388,250,372.68 = 113,186,861.33/x
  3. Step 3: Cross multiply
    258,828,267.38x = 388,250,372.68 × 113,186,861.33
  4. Step 4: Simplify right side
    258,828,267.38x = 43,944,841,091,627,760
  5. Step 5: Solve for x
    x = 43,944,841,091,627,760/258,828,267.38
  6. Step 6: Final answer
    x = 169,783,778.01

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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.