Home / 82,628,222.40-123,946,999.20-25,122,369.60

Finding the Fourth Proportional to 82,628,222.40, 123,946,999.20 and 25,122,369.60

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Solution

The fourth proportional to 82,628,222.40, 123,946,999.20 and 25,122,369.60 is: 37,684,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628,222.40 : 123,946,999.20 = 25,122,369.60 : x
  2. Step 2: Convert to fraction form
    82,628,222.40/123,946,999.20 = 25,122,369.60/x
  3. Step 3: Cross multiply
    82,628,222.40x = 123,946,999.20 × 25,122,369.60
  4. Step 4: Simplify right side
    82,628,222.40x = 3,113,842,324,713,304.50
  5. Step 5: Solve for x
    x = 3,113,842,324,713,304.50/82,628,222.40
  6. Step 6: Final answer
    x = 37,684,972.93

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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.