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Finding the Fourth Proportional to 61,146,894.94, 84,354,910.04 and 36,353,013.38

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Solution

The fourth proportional to 61,146,894.94, 84,354,910.04 and 36,353,013.38 is: 50,150,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146,894.94 : 84,354,910.04 = 36,353,013.38 : x
  2. Step 2: Convert to fraction form
    61,146,894.94/84,354,910.04 = 36,353,013.38/x
  3. Step 3: Cross multiply
    61,146,894.94x = 84,354,910.04 × 36,353,013.38
  4. Step 4: Simplify right side
    61,146,894.94x = 3,066,555,173,812,836
  5. Step 5: Solve for x
    x = 3,066,555,173,812,836/61,146,894.94
  6. Step 6: Final answer
    x = 50,150,627.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.