Home / 115,160,840.37-172,741,260.56-38,483,868.58

Finding the Fourth Proportional to 115,160,840.37, 172,741,260.56 and 38,483,868.58

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Solution

The fourth proportional to 115,160,840.37, 172,741,260.56 and 38,483,868.58 is: 57,725,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,840.37 : 172,741,260.56 = 38,483,868.58 : x
  2. Step 2: Convert to fraction form
    115,160,840.37/172,741,260.56 = 38,483,868.58/x
  3. Step 3: Cross multiply
    115,160,840.37x = 172,741,260.56 × 38,483,868.58
  4. Step 4: Simplify right side
    115,160,840.37x = 6,647,751,969,110,305
  5. Step 5: Solve for x
    x = 6,647,751,969,110,305/115,160,840.37
  6. Step 6: Final answer
    x = 57,725,802.87

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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.