Home / 80,874,906.30-121,312,359.45-50,263,904.70

Finding the Fourth Proportional to 80,874,906.30, 121,312,359.45 and 50,263,904.70

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Solution

The fourth proportional to 80,874,906.30, 121,312,359.45 and 50,263,904.70 is: 75,395,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874,906.30 : 121,312,359.45 = 50,263,904.70 : x
  2. Step 2: Convert to fraction form
    80,874,906.30/121,312,359.45 = 50,263,904.70/x
  3. Step 3: Cross multiply
    80,874,906.30x = 121,312,359.45 × 50,263,904.70
  4. Step 4: Simplify right side
    80,874,906.30x = 6,097,632,874,326,945
  5. Step 5: Solve for x
    x = 6,097,632,874,326,945/80,874,906.30
  6. Step 6: Final answer
    x = 75,395,857.05

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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.