Home / 220,061,760.90-330,092,641.35-155,491,679.40

Finding the Fourth Proportional to 220,061,760.90, 330,092,641.35 and 155,491,679.40

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Solution

The fourth proportional to 220,061,760.90, 330,092,641.35 and 155,491,679.40 is: 233,237,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,760.90 : 330,092,641.35 = 155,491,679.40 : x
  2. Step 2: Convert to fraction form
    220,061,760.90/330,092,641.35 = 155,491,679.40/x
  3. Step 3: Cross multiply
    220,061,760.90x = 330,092,641.35 × 155,491,679.40
  4. Step 4: Simplify right side
    220,061,760.90x = 51,326,659,161,093,392
  5. Step 5: Solve for x
    x = 51,326,659,161,093,392/220,061,760.90
  6. Step 6: Final answer
    x = 233,237,519.10

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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.