Home / 85,786,542.73-128,607,489.96-37,227,816.28

Finding the Fourth Proportional to 85,786,542.73, 128,607,489.96 and 37,227,816.28

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Solution

The fourth proportional to 85,786,542.73, 128,607,489.96 and 37,227,816.28 is: 55,810,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,786,542.73 : 128,607,489.96 = 37,227,816.28 : x
  2. Step 2: Convert to fraction form
    85,786,542.73/128,607,489.96 = 37,227,816.28/x
  3. Step 3: Cross multiply
    85,786,542.73x = 128,607,489.96 × 37,227,816.28
  4. Step 4: Simplify right side
    85,786,542.73x = 4,787,776,008,462,824
  5. Step 5: Solve for x
    x = 4,787,776,008,462,824/85,786,542.73
  6. Step 6: Final answer
    x = 55,810,338.73

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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.