Home / 222,249,249.60-333,373,874.40-209,778,100.80

Finding the Fourth Proportional to 222,249,249.60, 333,373,874.40 and 209,778,100.80

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Solution

The fourth proportional to 222,249,249.60, 333,373,874.40 and 209,778,100.80 is: 314,667,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,249,249.60 : 333,373,874.40 = 209,778,100.80 : x
  2. Step 2: Convert to fraction form
    222,249,249.60/333,373,874.40 = 209,778,100.80/x
  3. Step 3: Cross multiply
    222,249,249.60x = 333,373,874.40 × 209,778,100.80
  4. Step 4: Simplify right side
    222,249,249.60x = 69,934,538,227,969,736
  5. Step 5: Solve for x
    x = 69,934,538,227,969,736/222,249,249.60
  6. Step 6: Final answer
    x = 314,667,151.20

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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.