Home / 202,378,102.87-279,281,875.40-109,558,610.71

Finding the Fourth Proportional to 202,378,102.87, 279,281,875.40 and 109,558,610.71

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Solution

The fourth proportional to 202,378,102.87, 279,281,875.40 and 109,558,610.71 is: 151,190,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,378,102.87 : 279,281,875.40 = 109,558,610.71 : x
  2. Step 2: Convert to fraction form
    202,378,102.87/279,281,875.40 = 109,558,610.71/x
  3. Step 3: Cross multiply
    202,378,102.87x = 279,281,875.40 × 109,558,610.71
  4. Step 4: Simplify right side
    202,378,102.87x = 30,597,734,265,307,320
  5. Step 5: Solve for x
    x = 30,597,734,265,307,320/202,378,102.87
  6. Step 6: Final answer
    x = 151,190,933.36

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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.