Home / 81,227,056.36-121,828,599.78-23,703,882.52

Finding the Fourth Proportional to 81,227,056.36, 121,828,599.78 and 23,703,882.52

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Solution

The fourth proportional to 81,227,056.36, 121,828,599.78 and 23,703,882.52 is: 35,552,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227,056.36 : 121,828,599.78 = 23,703,882.52 : x
  2. Step 2: Convert to fraction form
    81,227,056.36/121,828,599.78 = 23,703,882.52/x
  3. Step 3: Cross multiply
    81,227,056.36x = 121,828,599.78 × 23,703,882.52
  4. Step 4: Simplify right side
    81,227,056.36x = 2,887,810,816,761,218
  5. Step 5: Solve for x
    x = 2,887,810,816,761,218/81,227,056.36
  6. Step 6: Final answer
    x = 35,552,326.36

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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.