Home / 198,807,284,426.71-274,354,890,381.99-112,000,895,724.78

Finding the Fourth Proportional to 198,807,284,426.71, 274,354,890,381.99 and 112,000,895,724.78

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Solution

The fourth proportional to 198,807,284,426.71, 274,354,890,381.99 and 112,000,895,724.78 is: 154,561,708,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807,284,426.71 : 274,354,890,381.99 = 112,000,895,724.78 : x
  2. Step 2: Convert to fraction form
    198,807,284,426.71/274,354,890,381.99 = 112,000,895,724.78/x
  3. Step 3: Cross multiply
    198,807,284,426.71x = 274,354,890,381.99 × 112,000,895,724.78
  4. Step 4: Simplify right side
    198,807,284,426.71x = 30,727,993,469,256,706,555,904
  5. Step 5: Solve for x
    x = 30,727,993,469,256,706,555,904/198,807,284,426.71
  6. Step 6: Final answer
    x = 154,561,708,127.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.