Home / 220,061,490.40-330,092,235.60-155,491,408.90

Finding the Fourth Proportional to 220,061,490.40, 330,092,235.60 and 155,491,408.90

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Solution

The fourth proportional to 220,061,490.40, 330,092,235.60 and 155,491,408.90 is: 233,237,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,490.40 : 330,092,235.60 = 155,491,408.90 : x
  2. Step 2: Convert to fraction form
    220,061,490.40/330,092,235.60 = 155,491,408.90/x
  3. Step 3: Cross multiply
    220,061,490.40x = 330,092,235.60 × 155,491,408.90
  4. Step 4: Simplify right side
    220,061,490.40x = 51,326,506,780,394,744
  5. Step 5: Solve for x
    x = 51,326,506,780,394,744/220,061,490.40
  6. Step 6: Final answer
    x = 233,237,113.35

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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.