Home / 209,952,617.70-314,928,926.55-164,036,115.30

Finding the Fourth Proportional to 209,952,617.70, 314,928,926.55 and 164,036,115.30

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Solution

The fourth proportional to 209,952,617.70, 314,928,926.55 and 164,036,115.30 is: 246,054,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,617.70 : 314,928,926.55 = 164,036,115.30 : x
  2. Step 2: Convert to fraction form
    209,952,617.70/314,928,926.55 = 164,036,115.30/x
  3. Step 3: Cross multiply
    209,952,617.70x = 314,928,926.55 × 164,036,115.30
  4. Step 4: Simplify right side
    209,952,617.70x = 51,659,717,706,861,040
  5. Step 5: Solve for x
    x = 51,659,717,706,861,040/209,952,617.70
  6. Step 6: Final answer
    x = 246,054,172.95

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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.