Home / 223,327,853.40-335,002,277.70-69,978,912.60

Finding the Fourth Proportional to 223,327,853.40, 335,002,277.70 and 69,978,912.60

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Solution

The fourth proportional to 223,327,853.40, 335,002,277.70 and 69,978,912.60 is: 104,971,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327,853.40 : 335,002,277.70 = 69,978,912.60 : x
  2. Step 2: Convert to fraction form
    223,327,853.40/335,002,277.70 = 69,978,912.60/x
  3. Step 3: Cross multiply
    223,327,853.40x = 335,002,277.70 × 69,978,912.60
  4. Step 4: Simplify right side
    223,327,853.40x = 23,443,095,111,969,228
  5. Step 5: Solve for x
    x = 23,443,095,111,969,228/223,327,853.40
  6. Step 6: Final answer
    x = 104,971,658.28

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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.