Home / 163,296,000.80-244,964,996.40-81,456,711.20

Finding the Fourth Proportional to 163,296,000.80, 244,964,996.40 and 81,456,711.20

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Solution

The fourth proportional to 163,296,000.80, 244,964,996.40 and 81,456,711.20 is: 122,195,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,000.80 : 244,964,996.40 = 81,456,711.20 : x
  2. Step 2: Convert to fraction form
    163,296,000.80/244,964,996.40 = 81,456,711.20/x
  3. Step 3: Cross multiply
    163,296,000.80x = 244,964,996.40 × 81,456,711.20
  4. Step 4: Simplify right side
    163,296,000.80x = 19,954,042,965,863,840
  5. Step 5: Solve for x
    x = 19,954,042,965,863,840/163,296,000.80
  6. Step 6: Final answer
    x = 122,195,539.81

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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.