Home / 220,061,739.40-330,092,609.10-155,491,657.90

Finding the Fourth Proportional to 220,061,739.40, 330,092,609.10 and 155,491,657.90

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Solution

The fourth proportional to 220,061,739.40, 330,092,609.10 and 155,491,657.90 is: 233,237,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,739.40 : 330,092,609.10 = 155,491,657.90 : x
  2. Step 2: Convert to fraction form
    220,061,739.40/330,092,609.10 = 155,491,657.90/x
  3. Step 3: Cross multiply
    220,061,739.40x = 330,092,609.10 × 155,491,657.90
  4. Step 4: Simplify right side
    220,061,739.40x = 51,326,647,049,495,632
  5. Step 5: Solve for x
    x = 51,326,647,049,495,632/220,061,739.40
  6. Step 6: Final answer
    x = 233,237,486.85

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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.