Home / 401,109,121.68-601,717,223.64-158,715,338.64

Finding the Fourth Proportional to 401,109,121.68, 601,717,223.64 and 158,715,338.64

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Solution

The fourth proportional to 401,109,121.68, 601,717,223.64 and 158,715,338.64 is: 238,094,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,109,121.68 : 601,717,223.64 = 158,715,338.64 : x
  2. Step 2: Convert to fraction form
    401,109,121.68/601,717,223.64 = 158,715,338.64/x
  3. Step 3: Cross multiply
    401,109,121.68x = 601,717,223.64 × 158,715,338.64
  4. Step 4: Simplify right side
    401,109,121.68x = 95,501,752,915,543,200
  5. Step 5: Solve for x
    x = 95,501,752,915,543,200/401,109,121.68
  6. Step 6: Final answer
    x = 238,094,193.71

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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.