Home / 209,952,003.90-314,928,005.85-148,142,135.10

Finding the Fourth Proportional to 209,952,003.90, 314,928,005.85 and 148,142,135.10

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Solution

The fourth proportional to 209,952,003.90, 314,928,005.85 and 148,142,135.10 is: 222,213,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,003.90 : 314,928,005.85 = 148,142,135.10 : x
  2. Step 2: Convert to fraction form
    209,952,003.90/314,928,005.85 = 148,142,135.10/x
  3. Step 3: Cross multiply
    209,952,003.90x = 314,928,005.85 × 148,142,135.10
  4. Step 4: Simplify right side
    209,952,003.90x = 46,654,107,189,404,288
  5. Step 5: Solve for x
    x = 46,654,107,189,404,288/209,952,003.90
  6. Step 6: Final answer
    x = 222,213,202.65

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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.