Home / 258,904,476.76-388,354,057.93-149,660,136.20

Finding the Fourth Proportional to 258,904,476.76, 388,354,057.93 and 149,660,136.20

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Solution

The fourth proportional to 258,904,476.76, 388,354,057.93 and 149,660,136.20 is: 224,488,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,904,476.76 : 388,354,057.93 = 149,660,136.20 : x
  2. Step 2: Convert to fraction form
    258,904,476.76/388,354,057.93 = 149,660,136.20/x
  3. Step 3: Cross multiply
    258,904,476.76x = 388,354,057.93 × 149,660,136.20
  4. Step 4: Simplify right side
    258,904,476.76x = 58,121,121,203,626,488
  5. Step 5: Solve for x
    x = 58,121,121,203,626,488/258,904,476.76
  6. Step 6: Final answer
    x = 224,488,668.30

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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.