Home / 258,693,438.80-388,040,158.20-177,064,101.20

Finding the Fourth Proportional to 258,693,438.80, 388,040,158.20 and 177,064,101.20

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Solution

The fourth proportional to 258,693,438.80, 388,040,158.20 and 177,064,101.20 is: 265,596,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,693,438.80 : 388,040,158.20 = 177,064,101.20 : x
  2. Step 2: Convert to fraction form
    258,693,438.80/388,040,158.20 = 177,064,101.20/x
  3. Step 3: Cross multiply
    258,693,438.80x = 388,040,158.20 × 177,064,101.20
  4. Step 4: Simplify right side
    258,693,438.80x = 68,707,981,841,188,800
  5. Step 5: Solve for x
    x = 68,707,981,841,188,800/258,693,438.80
  6. Step 6: Final answer
    x = 265,596,151.80

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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.