Home / 215,812,848.80-323,719,273.20-193,138,032.80

Finding the Fourth Proportional to 215,812,848.80, 323,719,273.20 and 193,138,032.80

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Solution

The fourth proportional to 215,812,848.80, 323,719,273.20 and 193,138,032.80 is: 289,707,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,812,848.80 : 323,719,273.20 = 193,138,032.80 : x
  2. Step 2: Convert to fraction form
    215,812,848.80/323,719,273.20 = 193,138,032.80/x
  3. Step 3: Cross multiply
    215,812,848.80x = 323,719,273.20 × 193,138,032.80
  4. Step 4: Simplify right side
    215,812,848.80x = 62,522,503,605,293,760
  5. Step 5: Solve for x
    x = 62,522,503,605,293,760/215,812,848.80
  6. Step 6: Final answer
    x = 289,707,049.20

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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.