Home / 85,322,433.38-117,711,454.79-49,552,784.83

Finding the Fourth Proportional to 85,322,433.38, 117,711,454.79 and 49,552,784.83

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Solution

The fourth proportional to 85,322,433.38, 117,711,454.79 and 49,552,784.83 is: 68,363,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,322,433.38 : 117,711,454.79 = 49,552,784.83 : x
  2. Step 2: Convert to fraction form
    85,322,433.38/117,711,454.79 = 49,552,784.83/x
  3. Step 3: Cross multiply
    85,322,433.38x = 117,711,454.79 × 49,552,784.83
  4. Step 4: Simplify right side
    85,322,433.38x = 5,832,930,390,565,173
  5. Step 5: Solve for x
    x = 5,832,930,390,565,173/85,322,433.38
  6. Step 6: Final answer
    x = 68,363,385.34

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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.