Home / 354,960,136.80-532,440,205.20-124,964,719.20

Finding the Fourth Proportional to 354,960,136.80, 532,440,205.20 and 124,964,719.20

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Solution

The fourth proportional to 354,960,136.80, 532,440,205.20 and 124,964,719.20 is: 187,447,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,960,136.80 : 532,440,205.20 = 124,964,719.20 : x
  2. Step 2: Convert to fraction form
    354,960,136.80/532,440,205.20 = 124,964,719.20/x
  3. Step 3: Cross multiply
    354,960,136.80x = 532,440,205.20 × 124,964,719.20
  4. Step 4: Simplify right side
    354,960,136.80x = 66,536,240,733,608,376
  5. Step 5: Solve for x
    x = 66,536,240,733,608,376/354,960,136.80
  6. Step 6: Final answer
    x = 187,447,078.80

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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.