Home / 115,745,425.82-159,728,862.62-62,822,152.48

Finding the Fourth Proportional to 115,745,425.82, 159,728,862.62 and 62,822,152.48

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Solution

The fourth proportional to 115,745,425.82, 159,728,862.62 and 62,822,152.48 is: 86,694,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745,425.82 : 159,728,862.62 = 62,822,152.48 : x
  2. Step 2: Convert to fraction form
    115,745,425.82/159,728,862.62 = 62,822,152.48/x
  3. Step 3: Cross multiply
    115,745,425.82x = 159,728,862.62 × 62,822,152.48
  4. Step 4: Simplify right side
    115,745,425.82x = 10,034,510,961,857,858
  5. Step 5: Solve for x
    x = 10,034,510,961,857,858/115,745,425.82
  6. Step 6: Final answer
    x = 86,694,665.39

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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.