Home / 120,351,256.26-166,080,077.37-65,345,854.02

Finding the Fourth Proportional to 120,351,256.26, 166,080,077.37 and 65,345,854.02

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Solution

The fourth proportional to 120,351,256.26, 166,080,077.37 and 65,345,854.02 is: 90,174,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,351,256.26 : 166,080,077.37 = 65,345,854.02 : x
  2. Step 2: Convert to fraction form
    120,351,256.26/166,080,077.37 = 65,345,854.02/x
  3. Step 3: Cross multiply
    120,351,256.26x = 166,080,077.37 × 65,345,854.02
  4. Step 4: Simplify right side
    120,351,256.26x = 10,852,644,491,450,326
  5. Step 5: Solve for x
    x = 10,852,644,491,450,326/120,351,256.26
  6. Step 6: Final answer
    x = 90,174,750.38

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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.