Home / 81,982,172.52-122,968,823.58-41,591,606.76

Finding the Fourth Proportional to 81,982,172.52, 122,968,823.58 and 41,591,606.76

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Solution

The fourth proportional to 81,982,172.52, 122,968,823.58 and 41,591,606.76 is: 62,385,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,982,172.52 : 122,968,823.58 = 41,591,606.76 : x
  2. Step 2: Convert to fraction form
    81,982,172.52/122,968,823.58 = 41,591,606.76/x
  3. Step 3: Cross multiply
    81,982,172.52x = 122,968,823.58 × 41,591,606.76
  4. Step 4: Simplify right side
    81,982,172.52x = 5,114,470,954,079,175
  5. Step 5: Solve for x
    x = 5,114,470,954,079,175/81,982,172.52
  6. Step 6: Final answer
    x = 62,385,160.05

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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.