Home / 205,869,886.23-308,814,761.06-67,692,434.16

Finding the Fourth Proportional to 205,869,886.23, 308,814,761.06 and 67,692,434.16

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Solution

The fourth proportional to 205,869,886.23, 308,814,761.06 and 67,692,434.16 is: 101,541,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,886.23 : 308,814,761.06 = 67,692,434.16 : x
  2. Step 2: Convert to fraction form
    205,869,886.23/308,814,761.06 = 67,692,434.16/x
  3. Step 3: Cross multiply
    205,869,886.23x = 308,814,761.06 × 67,692,434.16
  4. Step 4: Simplify right side
    205,869,886.23x = 20,904,422,880,351,720
  5. Step 5: Solve for x
    x = 20,904,422,880,351,720/205,869,886.23
  6. Step 6: Final answer
    x = 101,541,916.90

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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.