Home / 66,964,258.05-100,446,725.71-20,902,265.89

Finding the Fourth Proportional to 66,964,258.05, 100,446,725.71 and 20,902,265.89

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Solution

The fourth proportional to 66,964,258.05, 100,446,725.71 and 20,902,265.89 is: 31,353,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964,258.05 : 100,446,725.71 = 20,902,265.89 : x
  2. Step 2: Convert to fraction form
    66,964,258.05/100,446,725.71 = 20,902,265.89/x
  3. Step 3: Cross multiply
    66,964,258.05x = 100,446,725.71 × 20,902,265.89
  4. Step 4: Simplify right side
    66,964,258.05x = 2,099,564,168,569,151.50
  5. Step 5: Solve for x
    x = 2,099,564,168,569,151.50/66,964,258.05
  6. Step 6: Final answer
    x = 31,353,504.54

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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.