Home / 234,822,658.03-324,059,170.91-128,985,859.49

Finding the Fourth Proportional to 234,822,658.03, 324,059,170.91 and 128,985,859.49

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Solution

The fourth proportional to 234,822,658.03, 324,059,170.91 and 128,985,859.49 is: 178,002,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,822,658.03 : 324,059,170.91 = 128,985,859.49 : x
  2. Step 2: Convert to fraction form
    234,822,658.03/324,059,170.91 = 128,985,859.49/x
  3. Step 3: Cross multiply
    234,822,658.03x = 324,059,170.91 × 128,985,859.49
  4. Step 4: Simplify right side
    234,822,658.03x = 41,799,050,683,177,928
  5. Step 5: Solve for x
    x = 41,799,050,683,177,928/234,822,658.03
  6. Step 6: Final answer
    x = 178,002,629.88

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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.