Home / 68,806,757.16-103,225,067.58-20,936,457

Finding the Fourth Proportional to 68,806,757.16, 103,225,067.58 and 20,936,457

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Solution

The fourth proportional to 68,806,757.16, 103,225,067.58 and 20,936,457 is: 31,409,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,806,757.16 : 103,225,067.58 = 20,936,457 : x
  2. Step 2: Convert to fraction form
    68,806,757.16/103,225,067.58 = 20,936,457/x
  3. Step 3: Cross multiply
    68,806,757.16x = 103,225,067.58 × 20,936,457
  4. Step 4: Simplify right side
    68,806,757.16x = 2,161,167,188,710,764
  5. Step 5: Solve for x
    x = 2,161,167,188,710,764/68,806,757.16
  6. Step 6: Final answer
    x = 31,409,228.95

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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.