Home / 136,331,750.43-188,138,506.01-74,452,087.17

Finding the Fourth Proportional to 136,331,750.43, 188,138,506.01 and 74,452,087.17

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Solution

The fourth proportional to 136,331,750.43, 188,138,506.01 and 74,452,087.17 is: 102,744,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,331,750.43 : 188,138,506.01 = 74,452,087.17 : x
  2. Step 2: Convert to fraction form
    136,331,750.43/188,138,506.01 = 74,452,087.17/x
  3. Step 3: Cross multiply
    136,331,750.43x = 188,138,506.01 × 74,452,087.17
  4. Step 4: Simplify right side
    136,331,750.43x = 14,007,304,449,117,828
  5. Step 5: Solve for x
    x = 14,007,304,449,117,828/136,331,750.43
  6. Step 6: Final answer
    x = 102,744,257.34

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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.