Home / 258,663,105.76-356,901,799.96-148,633,561.12

Finding the Fourth Proportional to 258,663,105.76, 356,901,799.96 and 148,633,561.12

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Solution

The fourth proportional to 258,663,105.76, 356,901,799.96 and 148,633,561.12 is: 205,083,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,663,105.76 : 356,901,799.96 = 148,633,561.12 : x
  2. Step 2: Convert to fraction form
    258,663,105.76/356,901,799.96 = 148,633,561.12/x
  3. Step 3: Cross multiply
    258,663,105.76x = 356,901,799.96 × 148,633,561.12
  4. Step 4: Simplify right side
    258,663,105.76x = 53,047,585,498,192,672
  5. Step 5: Solve for x
    x = 53,047,585,498,192,672/258,663,105.76
  6. Step 6: Final answer
    x = 205,083,695.03

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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.