Home / 200,399,923.68-300,505,139.28-77,635,753.44

Finding the Fourth Proportional to 200,399,923.68, 300,505,139.28 and 77,635,753.44

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Solution

The fourth proportional to 200,399,923.68, 300,505,139.28 and 77,635,753.44 is: 116,416,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,399,923.68 : 300,505,139.28 = 77,635,753.44 : x
  2. Step 2: Convert to fraction form
    200,399,923.68/300,505,139.28 = 77,635,753.44/x
  3. Step 3: Cross multiply
    200,399,923.68x = 300,505,139.28 × 77,635,753.44
  4. Step 4: Simplify right side
    200,399,923.68x = 23,329,942,900,594,936
  5. Step 5: Solve for x
    x = 23,329,942,900,594,936/200,399,923.68
  6. Step 6: Final answer
    x = 116,416,925.08

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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.