Home / 115,684,114.88-159,644,061.26-66,125,552.72

Finding the Fourth Proportional to 115,684,114.88, 159,644,061.26 and 66,125,552.72

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Solution

The fourth proportional to 115,684,114.88, 159,644,061.26 and 66,125,552.72 is: 91,253,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,684,114.88 : 159,644,061.26 = 66,125,552.72 : x
  2. Step 2: Convert to fraction form
    115,684,114.88/159,644,061.26 = 66,125,552.72/x
  3. Step 3: Cross multiply
    115,684,114.88x = 159,644,061.26 × 66,125,552.72
  4. Step 4: Simplify right side
    115,684,114.88x = 10,556,551,789,283,038
  5. Step 5: Solve for x
    x = 10,556,551,789,283,038/115,684,114.88
  6. Step 6: Final answer
    x = 91,253,252.88

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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.