Home / 55,088,722.20-82,664,576.10-21,034,507.80

Finding the Fourth Proportional to 55,088,722.20, 82,664,576.10 and 21,034,507.80

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Solution

The fourth proportional to 55,088,722.20, 82,664,576.10 and 21,034,507.80 is: 31,563,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088,722.20 : 82,664,576.10 = 21,034,507.80 : x
  2. Step 2: Convert to fraction form
    55,088,722.20/82,664,576.10 = 21,034,507.80/x
  3. Step 3: Cross multiply
    55,088,722.20x = 82,664,576.10 × 21,034,507.80
  4. Step 4: Simplify right side
    55,088,722.20x = 1,738,808,670,759,143.50
  5. Step 5: Solve for x
    x = 1,738,808,670,759,143.50/55,088,722.20
  6. Step 6: Final answer
    x = 31,563,786.58

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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.