Home / 68,814,037.31-103,205,282.56-19,628,954.39

Finding the Fourth Proportional to 68,814,037.31, 103,205,282.56 and 19,628,954.39

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Solution

The fourth proportional to 68,814,037.31, 103,205,282.56 and 19,628,954.39 is: 29,438,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,814,037.31 : 103,205,282.56 = 19,628,954.39 : x
  2. Step 2: Convert to fraction form
    68,814,037.31/103,205,282.56 = 19,628,954.39/x
  3. Step 3: Cross multiply
    68,814,037.31x = 103,205,282.56 × 19,628,954.39
  4. Step 4: Simplify right side
    68,814,037.31x = 2,025,811,784,386,243.25
  5. Step 5: Solve for x
    x = 2,025,811,784,386,243.25/68,814,037.31
  6. Step 6: Final answer
    x = 29,438,932.28

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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.