Home / 68,954,329.42-103,400,368.26-19,758,930.31

Finding the Fourth Proportional to 68,954,329.42, 103,400,368.26 and 19,758,930.31

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Solution

The fourth proportional to 68,954,329.42, 103,400,368.26 and 19,758,930.31 is: 29,629,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,329.42 : 103,400,368.26 = 19,758,930.31 : x
  2. Step 2: Convert to fraction form
    68,954,329.42/103,400,368.26 = 19,758,930.31/x
  3. Step 3: Cross multiply
    68,954,329.42x = 103,400,368.26 × 19,758,930.31
  4. Step 4: Simplify right side
    68,954,329.42x = 2,043,080,670,532,830.50
  5. Step 5: Solve for x
    x = 2,043,080,670,532,830.50/68,954,329.42
  6. Step 6: Final answer
    x = 29,629,476.32

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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.