Home / 66,694,920.38-92,048,656.38-38,431,794.73

Finding the Fourth Proportional to 66,694,920.38, 92,048,656.38 and 38,431,794.73

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Solution

The fourth proportional to 66,694,920.38, 92,048,656.38 and 38,431,794.73 is: 53,041,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,694,920.38 : 92,048,656.38 = 38,431,794.73 : x
  2. Step 2: Convert to fraction form
    66,694,920.38/92,048,656.38 = 38,431,794.73/x
  3. Step 3: Cross multiply
    66,694,920.38x = 92,048,656.38 × 38,431,794.73
  4. Step 4: Simplify right side
    66,694,920.38x = 3,537,595,066,708,221.50
  5. Step 5: Solve for x
    x = 3,537,595,066,708,221.50/66,694,920.38
  6. Step 6: Final answer
    x = 53,041,446.73

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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.