Home / 205,869,940.26-308,814,842.10-67,692,488.22

Finding the Fourth Proportional to 205,869,940.26, 308,814,842.10 and 67,692,488.22

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Solution

The fourth proportional to 205,869,940.26, 308,814,842.10 and 67,692,488.22 is: 101,541,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,940.26 : 308,814,842.10 = 67,692,488.22 : x
  2. Step 2: Convert to fraction form
    205,869,940.26/308,814,842.10 = 67,692,488.22/x
  3. Step 3: Cross multiply
    205,869,940.26x = 308,814,842.10 × 67,692,488.22
  4. Step 4: Simplify right side
    205,869,940.26x = 20,904,445,061,015,412
  5. Step 5: Solve for x
    x = 20,904,445,061,015,412/205,869,940.26
  6. Step 6: Final answer
    x = 101,541,997.99

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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.