Home / 214,418,505.38-321,663,632.16-168,358,516.34

Finding the Fourth Proportional to 214,418,505.38, 321,663,632.16 and 168,358,516.34

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Solution

The fourth proportional to 214,418,505.38, 321,663,632.16 and 168,358,516.34 is: 252,565,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,418,505.38 : 321,663,632.16 = 168,358,516.34 : x
  2. Step 2: Convert to fraction form
    214,418,505.38/321,663,632.16 = 168,358,516.34/x
  3. Step 3: Cross multiply
    214,418,505.38x = 321,663,632.16 × 168,358,516.34
  4. Step 4: Simplify right side
    214,418,505.38x = 54,154,811,870,993,112
  5. Step 5: Solve for x
    x = 54,154,811,870,993,112/214,418,505.38
  6. Step 6: Final answer
    x = 252,565,942.36

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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.