Home / 81,181,371.63-121,792,378.79-23,673,649.35

Finding the Fourth Proportional to 81,181,371.63, 121,792,378.79 and 23,673,649.35

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Solution

The fourth proportional to 81,181,371.63, 121,792,378.79 and 23,673,649.35 is: 35,516,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,181,371.63 : 121,792,378.79 = 23,673,649.35 : x
  2. Step 2: Convert to fraction form
    81,181,371.63/121,792,378.79 = 23,673,649.35/x
  3. Step 3: Cross multiply
    81,181,371.63x = 121,792,378.79 × 23,673,649.35
  4. Step 4: Simplify right side
    81,181,371.63x = 2,883,270,068,858,469
  5. Step 5: Solve for x
    x = 2,883,270,068,858,469/81,181,371.63
  6. Step 6: Final answer
    x = 35,516,400.02

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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.