Home / 55,086,814.70-82,661,714.85-21,032,600.30

Finding the Fourth Proportional to 55,086,814.70, 82,661,714.85 and 21,032,600.30

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Solution

The fourth proportional to 55,086,814.70, 82,661,714.85 and 21,032,600.30 is: 31,560,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086,814.70 : 82,661,714.85 = 21,032,600.30 : x
  2. Step 2: Convert to fraction form
    55,086,814.70/82,661,714.85 = 21,032,600.30/x
  3. Step 3: Cross multiply
    55,086,814.70x = 82,661,714.85 × 21,032,600.30
  4. Step 4: Simplify right side
    55,086,814.70x = 1,738,590,808,552,624.50
  5. Step 5: Solve for x
    x = 1,738,590,808,552,624.50/55,086,814.70
  6. Step 6: Final answer
    x = 31,560,924.66

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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.