Home / 203,188,619.52-280,405,511.28-110,374,439.04

Finding the Fourth Proportional to 203,188,619.52, 280,405,511.28 and 110,374,439.04

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Solution

The fourth proportional to 203,188,619.52, 280,405,511.28 and 110,374,439.04 is: 152,319,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,188,619.52 : 280,405,511.28 = 110,374,439.04 : x
  2. Step 2: Convert to fraction form
    203,188,619.52/280,405,511.28 = 110,374,439.04/x
  3. Step 3: Cross multiply
    203,188,619.52x = 280,405,511.28 × 110,374,439.04
  4. Step 4: Simplify right side
    203,188,619.52x = 30,949,601,011,254,392
  5. Step 5: Solve for x
    x = 30,949,601,011,254,392/203,188,619.52
  6. Step 6: Final answer
    x = 152,319,559.45

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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.