Home / 223,328,042.40-335,002,561.20-69,979,101.60

Finding the Fourth Proportional to 223,328,042.40, 335,002,561.20 and 69,979,101.60

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Solution

The fourth proportional to 223,328,042.40, 335,002,561.20 and 69,979,101.60 is: 104,971,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,328,042.40 : 335,002,561.20 = 69,979,101.60 : x
  2. Step 2: Convert to fraction form
    223,328,042.40/335,002,561.20 = 69,979,101.60/x
  3. Step 3: Cross multiply
    223,328,042.40x = 335,002,561.20 × 69,979,101.60
  4. Step 4: Simplify right side
    223,328,042.40x = 23,443,178,266,475,016
  5. Step 5: Solve for x
    x = 23,443,178,266,475,016/223,328,042.40
  6. Step 6: Final answer
    x = 104,971,941.79

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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.