Home / 223,328,139.40-335,002,706.70-69,979,198.60

Finding the Fourth Proportional to 223,328,139.40, 335,002,706.70 and 69,979,198.60

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Solution

The fourth proportional to 223,328,139.40, 335,002,706.70 and 69,979,198.60 is: 104,972,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,328,139.40 : 335,002,706.70 = 69,979,198.60 : x
  2. Step 2: Convert to fraction form
    223,328,139.40/335,002,706.70 = 69,979,198.60/x
  3. Step 3: Cross multiply
    223,328,139.40x = 335,002,706.70 × 69,979,198.60
  4. Step 4: Simplify right side
    223,328,139.40x = 23,443,220,943,696,848
  5. Step 5: Solve for x
    x = 23,443,220,943,696,848/223,328,139.40
  6. Step 6: Final answer
    x = 104,972,087.29

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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.