Home / 205,869,916.32-308,814,806.28-67,692,464.24

Finding the Fourth Proportional to 205,869,916.32, 308,814,806.28 and 67,692,464.24

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Solution

The fourth proportional to 205,869,916.32, 308,814,806.28 and 67,692,464.24 is: 101,541,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,869,916.32 : 308,814,806.28 = 67,692,464.24 : x
  2. Step 2: Convert to fraction form
    205,869,916.32/308,814,806.28 = 67,692,464.24/x
  3. Step 3: Cross multiply
    205,869,916.32x = 308,814,806.28 × 67,692,464.24
  4. Step 4: Simplify right side
    205,869,916.32x = 20,904,435,230,891,424
  5. Step 5: Solve for x
    x = 20,904,435,230,891,424/205,869,916.32
  6. Step 6: Final answer
    x = 101,541,962.05

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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.