Home / 151,311,986.96-208,804,090.39-84,327,380.73

Finding the Fourth Proportional to 151,311,986.96, 208,804,090.39 and 84,327,380.73

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Solution

The fourth proportional to 151,311,986.96, 208,804,090.39 and 84,327,380.73 is: 116,368,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,311,986.96 : 208,804,090.39 = 84,327,380.73 : x
  2. Step 2: Convert to fraction form
    151,311,986.96/208,804,090.39 = 84,327,380.73/x
  3. Step 3: Cross multiply
    151,311,986.96x = 208,804,090.39 × 84,327,380.73
  4. Step 4: Simplify right side
    151,311,986.96x = 17,607,902,028,088,046
  5. Step 5: Solve for x
    x = 17,607,902,028,088,046/151,311,986.96
  6. Step 6: Final answer
    x = 116,368,189.87

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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.