Home / 258,654,313.20-387,981,469.80-233,145,145.20

Finding the Fourth Proportional to 258,654,313.20, 387,981,469.80 and 233,145,145.20

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Solution

The fourth proportional to 258,654,313.20, 387,981,469.80 and 233,145,145.20 is: 349,717,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,654,313.20 : 387,981,469.80 = 233,145,145.20 : x
  2. Step 2: Convert to fraction form
    258,654,313.20/387,981,469.80 = 233,145,145.20/x
  3. Step 3: Cross multiply
    258,654,313.20x = 387,981,469.80 × 233,145,145.20
  4. Step 4: Simplify right side
    258,654,313.20x = 90,455,996,111,430,416
  5. Step 5: Solve for x
    x = 90,455,996,111,430,416/258,654,313.20
  6. Step 6: Final answer
    x = 349,717,717.80

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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.