Home / 55,088,714.70-82,664,564.85-21,034,500.30

Finding the Fourth Proportional to 55,088,714.70, 82,664,564.85 and 21,034,500.30

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Solution

The fourth proportional to 55,088,714.70, 82,664,564.85 and 21,034,500.30 is: 31,563,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088,714.70 : 82,664,564.85 = 21,034,500.30 : x
  2. Step 2: Convert to fraction form
    55,088,714.70/82,664,564.85 = 21,034,500.30/x
  3. Step 3: Cross multiply
    55,088,714.70x = 82,664,564.85 × 21,034,500.30
  4. Step 4: Simplify right side
    55,088,714.70x = 1,738,807,814,136,694.50
  5. Step 5: Solve for x
    x = 1,738,807,814,136,694.50/55,088,714.70
  6. Step 6: Final answer
    x = 31,563,775.33

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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.