Home / 55,162,343.94-82,714,782.51-20,590,314.90

Finding the Fourth Proportional to 55,162,343.94, 82,714,782.51 and 20,590,314.90

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Solution

The fourth proportional to 55,162,343.94, 82,714,782.51 and 20,590,314.90 is: 30,874,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162,343.94 : 82,714,782.51 = 20,590,314.90 : x
  2. Step 2: Convert to fraction form
    55,162,343.94/82,714,782.51 = 20,590,314.90/x
  3. Step 3: Cross multiply
    55,162,343.94x = 82,714,782.51 × 20,590,314.90
  4. Step 4: Simplify right side
    55,162,343.94x = 1,703,123,418,765,912.50
  5. Step 5: Solve for x
    x = 1,703,123,418,765,912.50/55,162,343.94
  6. Step 6: Final answer
    x = 30,874,747.10

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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.