Home / 90,959,664.60-136,439,496.90-50,003,278.20

Finding the Fourth Proportional to 90,959,664.60, 136,439,496.90 and 50,003,278.20

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Solution

The fourth proportional to 90,959,664.60, 136,439,496.90 and 50,003,278.20 is: 75,004,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959,664.60 : 136,439,496.90 = 50,003,278.20 : x
  2. Step 2: Convert to fraction form
    90,959,664.60/136,439,496.90 = 50,003,278.20/x
  3. Step 3: Cross multiply
    90,959,664.60x = 136,439,496.90 × 50,003,278.20
  4. Step 4: Simplify right side
    90,959,664.60x = 6,822,422,120,958,738
  5. Step 5: Solve for x
    x = 6,822,422,120,958,738/90,959,664.60
  6. Step 6: Final answer
    x = 75,004,917.30

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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.