Home / 117,687,199.38-162,409,822.50-64,769,997.79

Finding the Fourth Proportional to 117,687,199.38, 162,409,822.50 and 64,769,997.79

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Solution

The fourth proportional to 117,687,199.38, 162,409,822.50 and 64,769,997.79 is: 89,383,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,687,199.38 : 162,409,822.50 = 64,769,997.79 : x
  2. Step 2: Convert to fraction form
    117,687,199.38/162,409,822.50 = 64,769,997.79/x
  3. Step 3: Cross multiply
    117,687,199.38x = 162,409,822.50 × 64,769,997.79
  4. Step 4: Simplify right side
    117,687,199.38x = 10,519,283,844,399,292
  5. Step 5: Solve for x
    x = 10,519,283,844,399,292/117,687,199.38
  6. Step 6: Final answer
    x = 89,383,415.53

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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.