Home / 258,904,513.29-388,354,112.67-149,660,172.73

Finding the Fourth Proportional to 258,904,513.29, 388,354,112.67 and 149,660,172.73

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Solution

The fourth proportional to 258,904,513.29, 388,354,112.67 and 149,660,172.73 is: 224,488,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,904,513.29 : 388,354,112.67 = 149,660,172.73 : x
  2. Step 2: Convert to fraction form
    258,904,513.29/388,354,112.67 = 149,660,172.73/x
  3. Step 3: Cross multiply
    258,904,513.29x = 388,354,112.67 × 149,660,172.73
  4. Step 4: Simplify right side
    258,904,513.29x = 58,121,143,579,908,008
  5. Step 5: Solve for x
    x = 58,121,143,579,908,008/258,904,513.29
  6. Step 6: Final answer
    x = 224,488,723.05

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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.