Home / 217,197,885.20-325,796,827.80-195,278,896.40

Finding the Fourth Proportional to 217,197,885.20, 325,796,827.80 and 195,278,896.40

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Solution

The fourth proportional to 217,197,885.20, 325,796,827.80 and 195,278,896.40 is: 292,918,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,197,885.20 : 325,796,827.80 = 195,278,896.40 : x
  2. Step 2: Convert to fraction form
    217,197,885.20/325,796,827.80 = 195,278,896.40/x
  3. Step 3: Cross multiply
    217,197,885.20x = 325,796,827.80 × 195,278,896.40
  4. Step 4: Simplify right side
    217,197,885.20x = 63,621,244,983,404,848
  5. Step 5: Solve for x
    x = 63,621,244,983,404,848/217,197,885.20
  6. Step 6: Final answer
    x = 292,918,344.60

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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.