Home / 115,261,441.56-172,615,131.41-65,927,733.44

Finding the Fourth Proportional to 115,261,441.56, 172,615,131.41 and 65,927,733.44

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Solution

The fourth proportional to 115,261,441.56, 172,615,131.41 and 65,927,733.44 is: 98,733,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,261,441.56 : 172,615,131.41 = 65,927,733.44 : x
  2. Step 2: Convert to fraction form
    115,261,441.56/172,615,131.41 = 65,927,733.44/x
  3. Step 3: Cross multiply
    115,261,441.56x = 172,615,131.41 × 65,927,733.44
  4. Step 4: Simplify right side
    115,261,441.56x = 11,380,124,370,116,338
  5. Step 5: Solve for x
    x = 11,380,124,370,116,338/115,261,441.56
  6. Step 6: Final answer
    x = 98,733,142.81

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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.