Home / 99,991,449.28-149,972,019.32-27,213,901.24

Finding the Fourth Proportional to 99,991,449.28, 149,972,019.32 and 27,213,901.24

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Solution

The fourth proportional to 99,991,449.28, 149,972,019.32 and 27,213,901.24 is: 40,816,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,991,449.28 : 149,972,019.32 = 27,213,901.24 : x
  2. Step 2: Convert to fraction form
    99,991,449.28/149,972,019.32 = 27,213,901.24/x
  3. Step 3: Cross multiply
    99,991,449.28x = 149,972,019.32 × 27,213,901.24
  4. Step 4: Simplify right side
    99,991,449.28x = 4,081,323,722,537,851.50
  5. Step 5: Solve for x
    x = 4,081,323,722,537,851.50/99,991,449.28
  6. Step 6: Final answer
    x = 40,816,727.35

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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.