Home / 195,861,344.80-293,792,017.20-161,821,127.20

Finding the Fourth Proportional to 195,861,344.80, 293,792,017.20 and 161,821,127.20

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Solution

The fourth proportional to 195,861,344.80, 293,792,017.20 and 161,821,127.20 is: 242,731,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,861,344.80 : 293,792,017.20 = 161,821,127.20 : x
  2. Step 2: Convert to fraction form
    195,861,344.80/293,792,017.20 = 161,821,127.20/x
  3. Step 3: Cross multiply
    195,861,344.80x = 293,792,017.20 × 161,821,127.20
  4. Step 4: Simplify right side
    195,861,344.80x = 47,541,755,385,665,784
  5. Step 5: Solve for x
    x = 47,541,755,385,665,784/195,861,344.80
  6. Step 6: Final answer
    x = 242,731,690.80

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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.