Home / 161,510,237.28-222,882,991.20-88,171,379.28

Finding the Fourth Proportional to 161,510,237.28, 222,882,991.20 and 88,171,379.28

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Solution

The fourth proportional to 161,510,237.28, 222,882,991.20 and 88,171,379.28 is: 121,675,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510,237.28 : 222,882,991.20 = 88,171,379.28 : x
  2. Step 2: Convert to fraction form
    161,510,237.28/222,882,991.20 = 88,171,379.28/x
  3. Step 3: Cross multiply
    161,510,237.28x = 222,882,991.20 × 88,171,379.28
  4. Step 4: Simplify right side
    161,510,237.28x = 19,651,900,752,156,100
  5. Step 5: Solve for x
    x = 19,651,900,752,156,100/161,510,237.28
  6. Step 6: Final answer
    x = 121,675,883.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.