Home / 209,952,258.70-314,928,388.05-202,299,508.30

Finding the Fourth Proportional to 209,952,258.70, 314,928,388.05 and 202,299,508.30

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Solution

The fourth proportional to 209,952,258.70, 314,928,388.05 and 202,299,508.30 is: 303,449,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,258.70 : 314,928,388.05 = 202,299,508.30 : x
  2. Step 2: Convert to fraction form
    209,952,258.70/314,928,388.05 = 202,299,508.30/x
  3. Step 3: Cross multiply
    209,952,258.70x = 314,928,388.05 × 202,299,508.30
  4. Step 4: Simplify right side
    209,952,258.70x = 63,709,858,052,226,600
  5. Step 5: Solve for x
    x = 63,709,858,052,226,600/209,952,258.70
  6. Step 6: Final answer
    x = 303,449,262.45

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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.