Home / 259,267,532.80-388,839,091.20-149,856,102.40

Finding the Fourth Proportional to 259,267,532.80, 388,839,091.20 and 149,856,102.40

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Solution

The fourth proportional to 259,267,532.80, 388,839,091.20 and 149,856,102.40 is: 224,748,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,267,532.80 : 388,839,091.20 = 149,856,102.40 : x
  2. Step 2: Convert to fraction form
    259,267,532.80/388,839,091.20 = 149,856,102.40/x
  3. Step 3: Cross multiply
    259,267,532.80x = 388,839,091.20 × 149,856,102.40
  4. Step 4: Simplify right side
    259,267,532.80x = 58,269,910,667,990,136
  5. Step 5: Solve for x
    x = 58,269,910,667,990,136/259,267,532.80
  6. Step 6: Final answer
    x = 224,748,197.50

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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.