Home / 61,004,081.78-84,154,504.19-38,954,397.86

Finding the Fourth Proportional to 61,004,081.78, 84,154,504.19 and 38,954,397.86

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Solution

The fourth proportional to 61,004,081.78, 84,154,504.19 and 38,954,397.86 is: 53,737,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004,081.78 : 84,154,504.19 = 38,954,397.86 : x
  2. Step 2: Convert to fraction form
    61,004,081.78/84,154,504.19 = 38,954,397.86/x
  3. Step 3: Cross multiply
    61,004,081.78x = 84,154,504.19 × 38,954,397.86
  4. Step 4: Simplify right side
    61,004,081.78x = 3,278,188,037,312,752.50
  5. Step 5: Solve for x
    x = 3,278,188,037,312,752.50/61,004,081.78
  6. Step 6: Final answer
    x = 53,737,191.71

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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.