Home / 115,627,838.52-159,551,706.92-66,071,424.52

Finding the Fourth Proportional to 115,627,838.52, 159,551,706.92 and 66,071,424.52

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Solution

The fourth proportional to 115,627,838.52, 159,551,706.92 and 66,071,424.52 is: 91,170,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,627,838.52 : 159,551,706.92 = 66,071,424.52 : x
  2. Step 2: Convert to fraction form
    115,627,838.52/159,551,706.92 = 66,071,424.52/x
  3. Step 3: Cross multiply
    115,627,838.52x = 159,551,706.92 × 66,071,424.52
  4. Step 4: Simplify right side
    115,627,838.52x = 10,541,808,560,801,942
  5. Step 5: Solve for x
    x = 10,541,808,560,801,942/115,627,838.52
  6. Step 6: Final answer
    x = 91,170,160.19

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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.