Home / 217,680,926.60-300,388,338.42-135,172,941.32

Finding the Fourth Proportional to 217,680,926.60, 300,388,338.42 and 135,172,941.32

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Solution

The fourth proportional to 217,680,926.60, 300,388,338.42 and 135,172,941.32 is: 186,531,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,680,926.60 : 300,388,338.42 = 135,172,941.32 : x
  2. Step 2: Convert to fraction form
    217,680,926.60/300,388,338.42 = 135,172,941.32/x
  3. Step 3: Cross multiply
    217,680,926.60x = 300,388,338.42 × 135,172,941.32
  4. Step 4: Simplify right side
    217,680,926.60x = 40,604,375,242,458,960
  5. Step 5: Solve for x
    x = 40,604,375,242,458,960/217,680,926.60
  6. Step 6: Final answer
    x = 186,531,617.06

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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.