Home / 83,650,956.48-115,447,314.96-50,629,378.32

Finding the Fourth Proportional to 83,650,956.48, 115,447,314.96 and 50,629,378.32

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Solution

The fourth proportional to 83,650,956.48, 115,447,314.96 and 50,629,378.32 is: 69,873,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650,956.48 : 115,447,314.96 = 50,629,378.32 : x
  2. Step 2: Convert to fraction form
    83,650,956.48/115,447,314.96 = 50,629,378.32/x
  3. Step 3: Cross multiply
    83,650,956.48x = 115,447,314.96 × 50,629,378.32
  4. Step 4: Simplify right side
    83,650,956.48x = 5,845,025,785,138,035
  5. Step 5: Solve for x
    x = 5,845,025,785,138,035/83,650,956.48
  6. Step 6: Final answer
    x = 69,873,986.28

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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.