Home / 66,964,297.17-100,446,784.35-20,902,305

Finding the Fourth Proportional to 66,964,297.17, 100,446,784.35 and 20,902,305

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Solution

The fourth proportional to 66,964,297.17, 100,446,784.35 and 20,902,305 is: 31,353,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964,297.17 : 100,446,784.35 = 20,902,305 : x
  2. Step 2: Convert to fraction form
    66,964,297.17/100,446,784.35 = 20,902,305/x
  3. Step 3: Cross multiply
    66,964,297.17x = 100,446,784.35 × 20,902,305
  4. Step 4: Simplify right side
    66,964,297.17x = 2,099,569,322,752,926.75
  5. Step 5: Solve for x
    x = 2,099,569,322,752,926.75/66,964,297.17
  6. Step 6: Final answer
    x = 31,353,563.19

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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.