Home / 227,775,998.40-340,867,735.20-208,665,700.80

Finding the Fourth Proportional to 227,775,998.40, 340,867,735.20 and 208,665,700.80

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Solution

The fourth proportional to 227,775,998.40, 340,867,735.20 and 208,665,700.80 is: 312,269,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,775,998.40 : 340,867,735.20 = 208,665,700.80 : x
  2. Step 2: Convert to fraction form
    227,775,998.40/340,867,735.20 = 208,665,700.80/x
  3. Step 3: Cross multiply
    227,775,998.40x = 340,867,735.20 × 208,665,700.80
  4. Step 4: Simplify right side
    227,775,998.40x = 71,127,404,845,616,832
  5. Step 5: Solve for x
    x = 71,127,404,845,616,832/227,775,998.40
  6. Step 6: Final answer
    x = 312,269,094.84

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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.