Home / 51,231,208-70,699,625.28-28,025,836.72

Finding the Fourth Proportional to 51,231,208, 70,699,625.28 and 28,025,836.72

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Solution

The fourth proportional to 51,231,208, 70,699,625.28 and 28,025,836.72 is: 38,675,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231,208 : 70,699,625.28 = 28,025,836.72 : x
  2. Step 2: Convert to fraction form
    51,231,208/70,699,625.28 = 28,025,836.72/x
  3. Step 3: Cross multiply
    51,231,208x = 70,699,625.28 × 28,025,836.72
  4. Step 4: Simplify right side
    51,231,208x = 1,981,416,154,262,464.25
  5. Step 5: Solve for x
    x = 1,981,416,154,262,464.25/51,231,208
  6. Step 6: Final answer
    x = 38,675,960.06

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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.