Home / 192,456,139.80-288,684,209.70-131,234,136.60

Finding the Fourth Proportional to 192,456,139.80, 288,684,209.70 and 131,234,136.60

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Solution

The fourth proportional to 192,456,139.80, 288,684,209.70 and 131,234,136.60 is: 196,851,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,139.80 : 288,684,209.70 = 131,234,136.60 : x
  2. Step 2: Convert to fraction form
    192,456,139.80/288,684,209.70 = 131,234,136.60/x
  3. Step 3: Cross multiply
    192,456,139.80x = 288,684,209.70 × 131,234,136.60
  4. Step 4: Simplify right side
    192,456,139.80x = 37,885,223,010,032,840
  5. Step 5: Solve for x
    x = 37,885,223,010,032,840/192,456,139.80
  6. Step 6: Final answer
    x = 196,851,204.90

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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.