Home / 206,990,136.20-310,441,658.70-104,657,976.20

Finding the Fourth Proportional to 206,990,136.20, 310,441,658.70 and 104,657,976.20

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Solution

The fourth proportional to 206,990,136.20, 310,441,658.70 and 104,657,976.20 is: 156,964,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,990,136.20 : 310,441,658.70 = 104,657,976.20 : x
  2. Step 2: Convert to fraction form
    206,990,136.20/310,441,658.70 = 104,657,976.20/x
  3. Step 3: Cross multiply
    206,990,136.20x = 310,441,658.70 × 104,657,976.20
  4. Step 4: Simplify right side
    206,990,136.20x = 32,490,195,727,713,124
  5. Step 5: Solve for x
    x = 32,490,195,727,713,124/206,990,136.20
  6. Step 6: Final answer
    x = 156,964,946.85

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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.