Home / 147,104,909.56-203,004,765.57-85,261,120.39

Finding the Fourth Proportional to 147,104,909.56, 203,004,765.57 and 85,261,120.39

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Solution

The fourth proportional to 147,104,909.56, 203,004,765.57 and 85,261,120.39 is: 117,660,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,909.56 : 203,004,765.57 = 85,261,120.39 : x
  2. Step 2: Convert to fraction form
    147,104,909.56/203,004,765.57 = 85,261,120.39/x
  3. Step 3: Cross multiply
    147,104,909.56x = 203,004,765.57 × 85,261,120.39
  4. Step 4: Simplify right side
    147,104,909.56x = 17,308,413,757,007,496
  5. Step 5: Solve for x
    x = 17,308,413,757,007,496/147,104,909.56
  6. Step 6: Final answer
    x = 117,660,340.56

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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.