Home / 165,353,090.83-248,030,286.19-66,986,655.55

Finding the Fourth Proportional to 165,353,090.83, 248,030,286.19 and 66,986,655.55

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Solution

The fourth proportional to 165,353,090.83, 248,030,286.19 and 66,986,655.55 is: 100,480,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,353,090.83 : 248,030,286.19 = 66,986,655.55 : x
  2. Step 2: Convert to fraction form
    165,353,090.83/248,030,286.19 = 66,986,655.55/x
  3. Step 3: Cross multiply
    165,353,090.83x = 248,030,286.19 × 66,986,655.55
  4. Step 4: Simplify right side
    165,353,090.83x = 16,614,719,346,189,910
  5. Step 5: Solve for x
    x = 16,614,719,346,189,910/165,353,090.83
  6. Step 6: Final answer
    x = 100,480,246.62

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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.