Home / 85,302,977,604.32-117,661,426,600.60-54,857,651,978.13

Finding the Fourth Proportional to 85,302,977,604.32, 117,661,426,600.60 and 54,857,651,978.13

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Solution

The fourth proportional to 85,302,977,604.32, 117,661,426,600.60 and 54,857,651,978.13 is: 75,667,107,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,302,977,604.32 : 117,661,426,600.60 = 54,857,651,978.13 : x
  2. Step 2: Convert to fraction form
    85,302,977,604.32/117,661,426,600.60 = 54,857,651,978.13/x
  3. Step 3: Cross multiply
    85,302,977,604.32x = 117,661,426,600.60 × 54,857,651,978.13
  4. Step 4: Simplify right side
    85,302,977,604.32x = 6,454,629,591,705,414,795,264
  5. Step 5: Solve for x
    x = 6,454,629,591,705,414,795,264/85,302,977,604.32
  6. Step 6: Final answer
    x = 75,667,107,678.77

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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.