Home / 278,244,625.28-417,447,716.52-112,162,419.98

Finding the Fourth Proportional to 278,244,625.28, 417,447,716.52 and 112,162,419.98

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Solution

The fourth proportional to 278,244,625.28, 417,447,716.52 and 112,162,419.98 is: 168,276,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,244,625.28 : 417,447,716.52 = 112,162,419.98 : x
  2. Step 2: Convert to fraction form
    278,244,625.28/417,447,716.52 = 112,162,419.98/x
  3. Step 3: Cross multiply
    278,244,625.28x = 417,447,716.52 × 112,162,419.98
  4. Step 4: Simplify right side
    278,244,625.28x = 46,821,946,100,008,224
  5. Step 5: Solve for x
    x = 46,821,946,100,008,224/278,244,625.28
  6. Step 6: Final answer
    x = 168,276,192.41

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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.