Home / 205,646,207.64-308,458,447.33-67,453,611.51

Finding the Fourth Proportional to 205,646,207.64, 308,458,447.33 and 67,453,611.51

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Solution

The fourth proportional to 205,646,207.64, 308,458,447.33 and 67,453,611.51 is: 101,176,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,646,207.64 : 308,458,447.33 = 67,453,611.51 : x
  2. Step 2: Convert to fraction form
    205,646,207.64/308,458,447.33 = 67,453,611.51/x
  3. Step 3: Cross multiply
    205,646,207.64x = 308,458,447.33 × 67,453,611.51
  4. Step 4: Simplify right side
    205,646,207.64x = 20,806,636,273,175,616
  5. Step 5: Solve for x
    x = 20,806,636,273,175,616/205,646,207.64
  6. Step 6: Final answer
    x = 101,176,853.74

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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.