Home / 70,169,161.83-105,171,085.30-28,644,104.63

Finding the Fourth Proportional to 70,169,161.83, 105,171,085.30 and 28,644,104.63

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Solution

The fourth proportional to 70,169,161.83, 105,171,085.30 and 28,644,104.63 is: 42,932,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169,161.83 : 105,171,085.30 = 28,644,104.63 : x
  2. Step 2: Convert to fraction form
    70,169,161.83/105,171,085.30 = 28,644,104.63/x
  3. Step 3: Cross multiply
    70,169,161.83x = 105,171,085.30 × 28,644,104.63
  4. Step 4: Simplify right side
    70,169,161.83x = 3,012,531,571,383,854.50
  5. Step 5: Solve for x
    x = 3,012,531,571,383,854.50/70,169,161.83
  6. Step 6: Final answer
    x = 42,932,414.94

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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.