Home / 53,436,064.76-73,741,912.28-28,989,778.76

Finding the Fourth Proportional to 53,436,064.76, 73,741,912.28 and 28,989,778.76

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Solution

The fourth proportional to 53,436,064.76, 73,741,912.28 and 28,989,778.76 is: 40,005,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436,064.76 : 73,741,912.28 = 28,989,778.76 : x
  2. Step 2: Convert to fraction form
    53,436,064.76/73,741,912.28 = 28,989,778.76/x
  3. Step 3: Cross multiply
    53,436,064.76x = 73,741,912.28 × 28,989,778.76
  4. Step 4: Simplify right side
    53,436,064.76x = 2,137,761,722,336,527.25
  5. Step 5: Solve for x
    x = 2,137,761,722,336,527.25/53,436,064.76
  6. Step 6: Final answer
    x = 40,005,972.22

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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.