Home / 205,869,806.56-308,814,641.20-67,692,354.56

Finding the Fourth Proportional to 205,869,806.56, 308,814,641.20 and 67,692,354.56

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Solution

The fourth proportional to 205,869,806.56, 308,814,641.20 and 67,692,354.56 is: 101,541,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,806.56 : 308,814,641.20 = 67,692,354.56 : x
  2. Step 2: Convert to fraction form
    205,869,806.56/308,814,641.20 = 67,692,354.56/x
  3. Step 3: Cross multiply
    205,869,806.56x = 308,814,641.20 × 67,692,354.56
  4. Step 4: Simplify right side
    205,869,806.56x = 20,904,390,185,429,584
  5. Step 5: Solve for x
    x = 20,904,390,185,429,584/205,869,806.56
  6. Step 6: Final answer
    x = 101,541,797.39

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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.