Home / 68,814,038.62-103,205,284.52-19,628,955.73

Finding the Fourth Proportional to 68,814,038.62, 103,205,284.52 and 19,628,955.73

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Solution

The fourth proportional to 68,814,038.62, 103,205,284.52 and 19,628,955.73 is: 29,438,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,814,038.62 : 103,205,284.52 = 19,628,955.73 : x
  2. Step 2: Convert to fraction form
    68,814,038.62/103,205,284.52 = 19,628,955.73/x
  3. Step 3: Cross multiply
    68,814,038.62x = 103,205,284.52 × 19,628,955.73
  4. Step 4: Simplify right side
    68,814,038.62x = 2,025,811,960,846,989.50
  5. Step 5: Solve for x
    x = 2,025,811,960,846,989.50/68,814,038.62
  6. Step 6: Final answer
    x = 29,438,934.29

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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.