Home / 111,719,039.38-154,193,618.71-73,975,631.58

Finding the Fourth Proportional to 111,719,039.38, 154,193,618.71 and 73,975,631.58

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Solution

The fourth proportional to 111,719,039.38, 154,193,618.71 and 73,975,631.58 is: 102,100,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,719,039.38 : 154,193,618.71 = 73,975,631.58 : x
  2. Step 2: Convert to fraction form
    111,719,039.38/154,193,618.71 = 73,975,631.58/x
  3. Step 3: Cross multiply
    111,719,039.38x = 154,193,618.71 × 73,975,631.58
  4. Step 4: Simplify right side
    111,719,039.38x = 11,406,570,329,770,424
  5. Step 5: Solve for x
    x = 11,406,570,329,770,424/111,719,039.38
  6. Step 6: Final answer
    x = 102,100,504.92

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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.