Home / 49,868,720.40-68,813,589.24-28,956,665.28

Finding the Fourth Proportional to 49,868,720.40, 68,813,589.24 and 28,956,665.28

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Solution

The fourth proportional to 49,868,720.40, 68,813,589.24 and 28,956,665.28 is: 39,957,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868,720.40 : 68,813,589.24 = 28,956,665.28 : x
  2. Step 2: Convert to fraction form
    49,868,720.40/68,813,589.24 = 28,956,665.28/x
  3. Step 3: Cross multiply
    49,868,720.40x = 68,813,589.24 × 28,956,665.28
  4. Step 4: Simplify right side
    49,868,720.40x = 1,992,612,070,338,089.50
  5. Step 5: Solve for x
    x = 1,992,612,070,338,089.50/49,868,720.40
  6. Step 6: Final answer
    x = 39,957,152.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.