Home / 165,963,442.20-248,945,163.30-79,870,000.20

Finding the Fourth Proportional to 165,963,442.20, 248,945,163.30 and 79,870,000.20

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Solution

The fourth proportional to 165,963,442.20, 248,945,163.30 and 79,870,000.20 is: 119,805,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,963,442.20 : 248,945,163.30 = 79,870,000.20 : x
  2. Step 2: Convert to fraction form
    165,963,442.20/248,945,163.30 = 79,870,000.20/x
  3. Step 3: Cross multiply
    165,963,442.20x = 248,945,163.30 × 79,870,000.20
  4. Step 4: Simplify right side
    165,963,442.20x = 19,883,250,242,560,036
  5. Step 5: Solve for x
    x = 19,883,250,242,560,036/165,963,442.20
  6. Step 6: Final answer
    x = 119,805,000.30

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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.