Home / 258,480,865.80-356,703,105.54-141,006,165

Finding the Fourth Proportional to 258,480,865.80, 356,703,105.54 and 141,006,165

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Solution

The fourth proportional to 258,480,865.80, 356,703,105.54 and 141,006,165 is: 194,588,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,480,865.80 : 356,703,105.54 = 141,006,165 : x
  2. Step 2: Convert to fraction form
    258,480,865.80/356,703,105.54 = 141,006,165/x
  3. Step 3: Cross multiply
    258,480,865.80x = 356,703,105.54 × 141,006,165
  4. Step 4: Simplify right side
    258,480,865.80x = 50,297,336,955,785,656
  5. Step 5: Solve for x
    x = 50,297,336,955,785,656/258,480,865.80
  6. Step 6: Final answer
    x = 194,588,240.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.