Home / 70,957,724.20-106,237,520.70-68,967,068.20

Finding the Fourth Proportional to 70,957,724.20, 106,237,520.70 and 68,967,068.20

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Solution

The fourth proportional to 70,957,724.20, 106,237,520.70 and 68,967,068.20 is: 103,257,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,957,724.20 : 106,237,520.70 = 68,967,068.20 : x
  2. Step 2: Convert to fraction form
    70,957,724.20/106,237,520.70 = 68,967,068.20/x
  3. Step 3: Cross multiply
    70,957,724.20x = 106,237,520.70 × 68,967,068.20
  4. Step 4: Simplify right side
    70,957,724.20x = 7,326,890,335,515,812
  5. Step 5: Solve for x
    x = 7,326,890,335,515,812/70,957,724.20
  6. Step 6: Final answer
    x = 103,257,121.31

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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.