Home / 50,103,489.84-69,144,518-47,807,664.72

Finding the Fourth Proportional to 50,103,489.84, 69,144,518 and 47,807,664.72

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Solution

The fourth proportional to 50,103,489.84, 69,144,518 and 47,807,664.72 is: 65,976,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,103,489.84 : 69,144,518 = 47,807,664.72 : x
  2. Step 2: Convert to fraction form
    50,103,489.84/69,144,518 = 47,807,664.72/x
  3. Step 3: Cross multiply
    50,103,489.84x = 69,144,518 × 47,807,664.72
  4. Step 4: Simplify right side
    50,103,489.84x = 3,305,637,933,770,005
  5. Step 5: Solve for x
    x = 3,305,637,933,770,005/50,103,489.84
  6. Step 6: Final answer
    x = 65,976,201.34

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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.