Home / 195,454,517.40-293,116,673.16-78,839,755.38

Finding the Fourth Proportional to 195,454,517.40, 293,116,673.16 and 78,839,755.38

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Solution

The fourth proportional to 195,454,517.40, 293,116,673.16 and 78,839,755.38 is: 118,233,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,454,517.40 : 293,116,673.16 = 78,839,755.38 : x
  2. Step 2: Convert to fraction form
    195,454,517.40/293,116,673.16 = 78,839,755.38/x
  3. Step 3: Cross multiply
    195,454,517.40x = 293,116,673.16 × 78,839,755.38
  4. Step 4: Simplify right side
    195,454,517.40x = 23,109,246,809,733,812
  5. Step 5: Solve for x
    x = 23,109,246,809,733,812/195,454,517.40
  6. Step 6: Final answer
    x = 118,233,372.74

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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.