Home / 209,902,443.20-314,986,375.20-123,640,683.20

Finding the Fourth Proportional to 209,902,443.20, 314,986,375.20 and 123,640,683.20

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Solution

The fourth proportional to 209,902,443.20, 314,986,375.20 and 123,640,683.20 is: 185,539,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,902,443.20 : 314,986,375.20 = 123,640,683.20 : x
  2. Step 2: Convert to fraction form
    209,902,443.20/314,986,375.20 = 123,640,683.20/x
  3. Step 3: Cross multiply
    209,902,443.20x = 314,986,375.20 × 123,640,683.20
  4. Step 4: Simplify right side
    209,902,443.20x = 38,945,130,628,419,536
  5. Step 5: Solve for x
    x = 38,945,130,628,419,536/209,902,443.20
  6. Step 6: Final answer
    x = 185,539,196.37

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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.