Home / 165,936,340.80-248,904,511.20-79,842,898.80

Finding the Fourth Proportional to 165,936,340.80, 248,904,511.20 and 79,842,898.80

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Solution

The fourth proportional to 165,936,340.80, 248,904,511.20 and 79,842,898.80 is: 119,764,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936,340.80 : 248,904,511.20 = 79,842,898.80 : x
  2. Step 2: Convert to fraction form
    165,936,340.80/248,904,511.20 = 79,842,898.80/x
  3. Step 3: Cross multiply
    165,936,340.80x = 248,904,511.20 × 79,842,898.80
  4. Step 4: Simplify right side
    165,936,340.80x = 19,873,257,698,605,064
  5. Step 5: Solve for x
    x = 19,873,257,698,605,064/165,936,340.80
  6. Step 6: Final answer
    x = 119,764,348.20

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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.