Home / 106,375,142.20-159,571,007.70-45,792,844.60

Finding the Fourth Proportional to 106,375,142.20, 159,571,007.70 and 45,792,844.60

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Solution

The fourth proportional to 106,375,142.20, 159,571,007.70 and 45,792,844.60 is: 68,692,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,375,142.20 : 159,571,007.70 = 45,792,844.60 : x
  2. Step 2: Convert to fraction form
    106,375,142.20/159,571,007.70 = 45,792,844.60/x
  3. Step 3: Cross multiply
    106,375,142.20x = 159,571,007.70 × 45,792,844.60
  4. Step 4: Simplify right side
    106,375,142.20x = 7,307,210,358,271,503
  5. Step 5: Solve for x
    x = 7,307,210,358,271,503/106,375,142.20
  6. Step 6: Final answer
    x = 68,692,837.51

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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.