Home / 220,061,336.10-330,092,004.15-203,433,137.70

Finding the Fourth Proportional to 220,061,336.10, 330,092,004.15 and 203,433,137.70

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Solution

The fourth proportional to 220,061,336.10, 330,092,004.15 and 203,433,137.70 is: 305,149,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,336.10 : 330,092,004.15 = 203,433,137.70 : x
  2. Step 2: Convert to fraction form
    220,061,336.10/330,092,004.15 = 203,433,137.70/x
  3. Step 3: Cross multiply
    220,061,336.10x = 330,092,004.15 × 203,433,137.70
  4. Step 4: Simplify right side
    220,061,336.10x = 67,151,652,133,915,912
  5. Step 5: Solve for x
    x = 67,151,652,133,915,912/220,061,336.10
  6. Step 6: Final answer
    x = 305,149,706.55

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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.