Home / 195,454,906.12-293,117,254.62-78,840,143.56

Finding the Fourth Proportional to 195,454,906.12, 293,117,254.62 and 78,840,143.56

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Solution

The fourth proportional to 195,454,906.12, 293,117,254.62 and 78,840,143.56 is: 118,233,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,454,906.12 : 293,117,254.62 = 78,840,143.56 : x
  2. Step 2: Convert to fraction form
    195,454,906.12/293,117,254.62 = 78,840,143.56/x
  3. Step 3: Cross multiply
    195,454,906.12x = 293,117,254.62 × 78,840,143.56
  4. Step 4: Simplify right side
    195,454,906.12x = 23,109,406,434,153,876
  5. Step 5: Solve for x
    x = 23,109,406,434,153,876/195,454,906.12
  6. Step 6: Final answer
    x = 118,233,954.28

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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.