Home / 203,415,832.36-305,116,996.38-88,400,485

Finding the Fourth Proportional to 203,415,832.36, 305,116,996.38 and 88,400,485

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Solution

The fourth proportional to 203,415,832.36, 305,116,996.38 and 88,400,485 is: 132,597,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,415,832.36 : 305,116,996.38 = 88,400,485 : x
  2. Step 2: Convert to fraction form
    203,415,832.36/305,116,996.38 = 88,400,485/x
  3. Step 3: Cross multiply
    203,415,832.36x = 305,116,996.38 × 88,400,485
  4. Step 4: Simplify right side
    203,415,832.36x = 26,972,490,461,735,244
  5. Step 5: Solve for x
    x = 26,972,490,461,735,244/203,415,832.36
  6. Step 6: Final answer
    x = 132,597,793.15

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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.