Home / 209,928,515.35-314,892,773.03-133,589,968.15

Finding the Fourth Proportional to 209,928,515.35, 314,892,773.03 and 133,589,968.15

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Solution

The fourth proportional to 209,928,515.35, 314,892,773.03 and 133,589,968.15 is: 200,384,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,928,515.35 : 314,892,773.03 = 133,589,968.15 : x
  2. Step 2: Convert to fraction form
    209,928,515.35/314,892,773.03 = 133,589,968.15/x
  3. Step 3: Cross multiply
    209,928,515.35x = 314,892,773.03 × 133,589,968.15
  4. Step 4: Simplify right side
    209,928,515.35x = 42,066,515,519,074,928
  5. Step 5: Solve for x
    x = 42,066,515,519,074,928/209,928,515.35
  6. Step 6: Final answer
    x = 200,384,952.23

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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.