Home / 147,104,945.56-203,004,815.25-85,261,156.66

Finding the Fourth Proportional to 147,104,945.56, 203,004,815.25 and 85,261,156.66

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Solution

The fourth proportional to 147,104,945.56, 203,004,815.25 and 85,261,156.66 is: 117,660,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104,945.56 : 203,004,815.25 = 85,261,156.66 : x
  2. Step 2: Convert to fraction form
    147,104,945.56/203,004,815.25 = 85,261,156.66/x
  3. Step 3: Cross multiply
    147,104,945.56x = 203,004,815.25 × 85,261,156.66
  4. Step 4: Simplify right side
    147,104,945.56x = 17,308,425,355,764,606
  5. Step 5: Solve for x
    x = 17,308,425,355,764,606/147,104,945.56
  6. Step 6: Final answer
    x = 117,660,390.61

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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.