Home / 165,353,090.09-248,030,285.07-66,986,654.81

Finding the Fourth Proportional to 165,353,090.09, 248,030,285.07 and 66,986,654.81

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Solution

The fourth proportional to 165,353,090.09, 248,030,285.07 and 66,986,654.81 is: 100,480,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,353,090.09 : 248,030,285.07 = 66,986,654.81 : x
  2. Step 2: Convert to fraction form
    165,353,090.09/248,030,285.07 = 66,986,654.81/x
  3. Step 3: Cross multiply
    165,353,090.09x = 248,030,285.07 × 66,986,654.81
  4. Step 4: Simplify right side
    165,353,090.09x = 16,614,719,087,169,834
  5. Step 5: Solve for x
    x = 16,614,719,087,169,834/165,353,090.09
  6. Step 6: Final answer
    x = 100,480,245.51

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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.