Home / 99,991,447.28-149,972,016.32-27,213,899.24

Finding the Fourth Proportional to 99,991,447.28, 149,972,016.32 and 27,213,899.24

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Solution

The fourth proportional to 99,991,447.28, 149,972,016.32 and 27,213,899.24 is: 40,816,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,991,447.28 : 149,972,016.32 = 27,213,899.24 : x
  2. Step 2: Convert to fraction form
    99,991,447.28/149,972,016.32 = 27,213,899.24/x
  3. Step 3: Cross multiply
    99,991,447.28x = 149,972,016.32 × 27,213,899.24
  4. Step 4: Simplify right side
    99,991,447.28x = 4,081,323,340,202,255
  5. Step 5: Solve for x
    x = 4,081,323,340,202,255/99,991,447.28
  6. Step 6: Final answer
    x = 40,816,724.34

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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.