Home / 220,242,485.33-330,293,006.90-72,656,872.73

Finding the Fourth Proportional to 220,242,485.33, 330,293,006.90 and 72,656,872.73

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Solution

The fourth proportional to 220,242,485.33, 330,293,006.90 and 72,656,872.73 is: 108,961,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,242,485.33 : 330,293,006.90 = 72,656,872.73 : x
  2. Step 2: Convert to fraction form
    220,242,485.33/330,293,006.90 = 72,656,872.73/x
  3. Step 3: Cross multiply
    220,242,485.33x = 330,293,006.90 × 72,656,872.73
  4. Step 4: Simplify right side
    220,242,485.33x = 23,998,056,966,677,224
  5. Step 5: Solve for x
    x = 23,998,056,966,677,224/220,242,485.33
  6. Step 6: Final answer
    x = 108,961,978.57

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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.