Home / 115,118,926.18-158,880,321.93-73,289,629.78

Finding the Fourth Proportional to 115,118,926.18, 158,880,321.93 and 73,289,629.78

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Solution

The fourth proportional to 115,118,926.18, 158,880,321.93 and 73,289,629.78 is: 101,150,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118,926.18 : 158,880,321.93 = 73,289,629.78 : x
  2. Step 2: Convert to fraction form
    115,118,926.18/158,880,321.93 = 73,289,629.78/x
  3. Step 3: Cross multiply
    115,118,926.18x = 158,880,321.93 × 73,289,629.78
  4. Step 4: Simplify right side
    115,118,926.18x = 11,644,279,973,576,916
  5. Step 5: Solve for x
    x = 11,644,279,973,576,916/115,118,926.18
  6. Step 6: Final answer
    x = 101,150,005.13

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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.