Home / 115,083,908.22-172,734,998.67-71,232,018.57

Finding the Fourth Proportional to 115,083,908.22, 172,734,998.67 and 71,232,018.57

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Solution

The fourth proportional to 115,083,908.22, 172,734,998.67 and 71,232,018.57 is: 106,915,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,083,908.22 : 172,734,998.67 = 71,232,018.57 : x
  2. Step 2: Convert to fraction form
    115,083,908.22/172,734,998.67 = 71,232,018.57/x
  3. Step 3: Cross multiply
    115,083,908.22x = 172,734,998.67 × 71,232,018.57
  4. Step 4: Simplify right side
    115,083,908.22x = 12,304,262,632,950,364
  5. Step 5: Solve for x
    x = 12,304,262,632,950,364/115,083,908.22
  6. Step 6: Final answer
    x = 106,915,578.58

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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.