Home / 85,303,437,893.01-117,662,062,102.24-54,858,113,247.33

Finding the Fourth Proportional to 85,303,437,893.01, 117,662,062,102.24 and 54,858,113,247.33

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Solution

The fourth proportional to 85,303,437,893.01, 117,662,062,102.24 and 54,858,113,247.33 is: 75,667,744,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303,437,893.01 : 117,662,062,102.24 = 54,858,113,247.33 : x
  2. Step 2: Convert to fraction form
    85,303,437,893.01/117,662,062,102.24 = 54,858,113,247.33/x
  3. Step 3: Cross multiply
    85,303,437,893.01x = 117,662,062,102.24 × 54,858,113,247.33
  4. Step 4: Simplify right side
    85,303,437,893.01x = 6,454,718,727,719,057,620,992
  5. Step 5: Solve for x
    x = 6,454,718,727,719,057,620,992/85,303,437,893.01
  6. Step 6: Final answer
    x = 75,667,744,315.47

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1.5x scale

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.