Home / 165,353,083.52-248,030,275.22-66,986,648.24

Finding the Fourth Proportional to 165,353,083.52, 248,030,275.22 and 66,986,648.24

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Solution

The fourth proportional to 165,353,083.52, 248,030,275.22 and 66,986,648.24 is: 100,480,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,353,083.52 : 248,030,275.22 = 66,986,648.24 : x
  2. Step 2: Convert to fraction form
    165,353,083.52/248,030,275.22 = 66,986,648.24/x
  3. Step 3: Cross multiply
    165,353,083.52x = 248,030,275.22 × 66,986,648.24
  4. Step 4: Simplify right side
    165,353,083.52x = 16,614,716,797,708,644
  5. Step 5: Solve for x
    x = 16,614,716,797,708,644/165,353,083.52
  6. Step 6: Final answer
    x = 100,480,235.65

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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.