Home / 81,407,264.45-122,115,551.54-23,110,382.56

Finding the Fourth Proportional to 81,407,264.45, 122,115,551.54 and 23,110,382.56

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Solution

The fourth proportional to 81,407,264.45, 122,115,551.54 and 23,110,382.56 is: 34,666,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,407,264.45 : 122,115,551.54 = 23,110,382.56 : x
  2. Step 2: Convert to fraction form
    81,407,264.45/122,115,551.54 = 23,110,382.56/x
  3. Step 3: Cross multiply
    81,407,264.45x = 122,115,551.54 × 23,110,382.56
  4. Step 4: Simplify right side
    81,407,264.45x = 2,822,137,112,672,573
  5. Step 5: Solve for x
    x = 2,822,137,112,672,573/81,407,264.45
  6. Step 6: Final answer
    x = 34,666,895.29

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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.