Home / 81,184,665.80-121,770,644.79-22,889,989.10

Finding the Fourth Proportional to 81,184,665.80, 121,770,644.79 and 22,889,989.10

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Solution

The fourth proportional to 81,184,665.80, 121,770,644.79 and 22,889,989.10 is: 34,333,192.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184,665.80 : 121,770,644.79 = 22,889,989.10 : x
  2. Step 2: Convert to fraction form
    81,184,665.80/121,770,644.79 = 22,889,989.10/x
  3. Step 3: Cross multiply
    81,184,665.80x = 121,770,644.79 × 22,889,989.10
  4. Step 4: Simplify right side
    81,184,665.80x = 2,787,328,731,943,072
  5. Step 5: Solve for x
    x = 2,787,328,731,943,072/81,184,665.80
  6. Step 6: Final answer
    x = 34,333,192.17

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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.