Home / 81,672,615.27-112,580,583.18-55,521,732.27

Finding the Fourth Proportional to 81,672,615.27, 112,580,583.18 and 55,521,732.27

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Solution

The fourth proportional to 81,672,615.27, 112,580,583.18 and 55,521,732.27 is: 76,533,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,672,615.27 : 112,580,583.18 = 55,521,732.27 : x
  2. Step 2: Convert to fraction form
    81,672,615.27/112,580,583.18 = 55,521,732.27/x
  3. Step 3: Cross multiply
    81,672,615.27x = 112,580,583.18 × 55,521,732.27
  4. Step 4: Simplify right side
    81,672,615.27x = 6,250,668,998,120,426
  5. Step 5: Solve for x
    x = 6,250,668,998,120,426/81,672,615.27
  6. Step 6: Final answer
    x = 76,533,229.38

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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.