Home / 56,649,015.93-78,171,170.33-31,864,268.44

Finding the Fourth Proportional to 56,649,015.93, 78,171,170.33 and 31,864,268.44

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Solution

The fourth proportional to 56,649,015.93, 78,171,170.33 and 31,864,268.44 is: 43,970,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,649,015.93 : 78,171,170.33 = 31,864,268.44 : x
  2. Step 2: Convert to fraction form
    56,649,015.93/78,171,170.33 = 31,864,268.44/x
  3. Step 3: Cross multiply
    56,649,015.93x = 78,171,170.33 × 31,864,268.44
  4. Step 4: Simplify right side
    56,649,015.93x = 2,490,867,155,973,593.50
  5. Step 5: Solve for x
    x = 2,490,867,155,973,593.50/56,649,015.93
  6. Step 6: Final answer
    x = 43,970,175.21

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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.