Home / 68,258,515.20-102,387,772.80-50,118,662.40

Finding the Fourth Proportional to 68,258,515.20, 102,387,772.80 and 50,118,662.40

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Solution

The fourth proportional to 68,258,515.20, 102,387,772.80 and 50,118,662.40 is: 75,177,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,258,515.20 : 102,387,772.80 = 50,118,662.40 : x
  2. Step 2: Convert to fraction form
    68,258,515.20/102,387,772.80 = 50,118,662.40/x
  3. Step 3: Cross multiply
    68,258,515.20x = 102,387,772.80 × 50,118,662.40
  4. Step 4: Simplify right side
    68,258,515.20x = 5,131,538,218,851,102
  5. Step 5: Solve for x
    x = 5,131,538,218,851,102/68,258,515.20
  6. Step 6: Final answer
    x = 75,177,993.60

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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.