Home / 195,454,517.90-293,116,673.91-78,839,755.88

Finding the Fourth Proportional to 195,454,517.90, 293,116,673.91 and 78,839,755.88

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Solution

The fourth proportional to 195,454,517.90, 293,116,673.91 and 78,839,755.88 is: 118,233,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,454,517.90 : 293,116,673.91 = 78,839,755.88 : x
  2. Step 2: Convert to fraction form
    195,454,517.90/293,116,673.91 = 78,839,755.88/x
  3. Step 3: Cross multiply
    195,454,517.90x = 293,116,673.91 × 78,839,755.88
  4. Step 4: Simplify right side
    195,454,517.90x = 23,109,247,015,421,964
  5. Step 5: Solve for x
    x = 23,109,247,015,421,964/195,454,517.90
  6. Step 6: Final answer
    x = 118,233,373.49

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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.