Home / 81,227,057.36-121,828,601.28-23,703,883.52

Finding the Fourth Proportional to 81,227,057.36, 121,828,601.28 and 23,703,883.52

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Solution

The fourth proportional to 81,227,057.36, 121,828,601.28 and 23,703,883.52 is: 35,552,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,057.36 : 121,828,601.28 = 23,703,883.52 : x
  2. Step 2: Convert to fraction form
    81,227,057.36/121,828,601.28 = 23,703,883.52/x
  3. Step 3: Cross multiply
    81,227,057.36x = 121,828,601.28 × 23,703,883.52
  4. Step 4: Simplify right side
    81,227,057.36x = 2,887,810,974,145,643
  5. Step 5: Solve for x
    x = 2,887,810,974,145,643/81,227,057.36
  6. Step 6: Final answer
    x = 35,552,327.86

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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.