Home / 382,391,206.80-573,586,810.20-123,792,016.20

Finding the Fourth Proportional to 382,391,206.80, 573,586,810.20 and 123,792,016.20

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Solution

The fourth proportional to 382,391,206.80, 573,586,810.20 and 123,792,016.20 is: 185,688,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,391,206.80 : 573,586,810.20 = 123,792,016.20 : x
  2. Step 2: Convert to fraction form
    382,391,206.80/573,586,810.20 = 123,792,016.20/x
  3. Step 3: Cross multiply
    382,391,206.80x = 573,586,810.20 × 123,792,016.20
  4. Step 4: Simplify right side
    382,391,206.80x = 71,005,467,700,384,736
  5. Step 5: Solve for x
    x = 71,005,467,700,384,736/382,391,206.80
  6. Step 6: Final answer
    x = 185,688,024.30

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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.