Home / 222,249,258.10-333,373,887.15-209,778,109.30

Finding the Fourth Proportional to 222,249,258.10, 333,373,887.15 and 209,778,109.30

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Solution

The fourth proportional to 222,249,258.10, 333,373,887.15 and 209,778,109.30 is: 314,667,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,249,258.10 : 333,373,887.15 = 209,778,109.30 : x
  2. Step 2: Convert to fraction form
    222,249,258.10/333,373,887.15 = 209,778,109.30/x
  3. Step 3: Cross multiply
    222,249,258.10x = 333,373,887.15 × 209,778,109.30
  4. Step 4: Simplify right side
    222,249,258.10x = 69,934,543,736,318,568
  5. Step 5: Solve for x
    x = 69,934,543,736,318,568/222,249,258.10
  6. Step 6: Final answer
    x = 314,667,163.95

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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.