Home / 82,364,540.46-123,546,256.65-20,953,172.22

Finding the Fourth Proportional to 82,364,540.46, 123,546,256.65 and 20,953,172.22

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Solution

The fourth proportional to 82,364,540.46, 123,546,256.65 and 20,953,172.22 is: 31,429,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,364,540.46 : 123,546,256.65 = 20,953,172.22 : x
  2. Step 2: Convert to fraction form
    82,364,540.46/123,546,256.65 = 20,953,172.22/x
  3. Step 3: Cross multiply
    82,364,540.46x = 123,546,256.65 × 20,953,172.22
  4. Step 4: Simplify right side
    82,364,540.46x = 2,588,685,992,723,770
  5. Step 5: Solve for x
    x = 2,588,685,992,723,770/82,364,540.46
  6. Step 6: Final answer
    x = 31,429,617.38

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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.