Home / 55,150,689.87-76,105,497-31,612,351.95

Finding the Fourth Proportional to 55,150,689.87, 76,105,497 and 31,612,351.95

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Solution

The fourth proportional to 55,150,689.87, 76,105,497 and 31,612,351.95 is: 43,623,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150,689.87 : 76,105,497 = 31,612,351.95 : x
  2. Step 2: Convert to fraction form
    55,150,689.87/76,105,497 = 31,612,351.95/x
  3. Step 3: Cross multiply
    55,150,689.87x = 76,105,497 × 31,612,351.95
  4. Step 4: Simplify right side
    55,150,689.87x = 2,405,873,756,493,669
  5. Step 5: Solve for x
    x = 2,405,873,756,493,669/55,150,689.87
  6. Step 6: Final answer
    x = 43,623,638.47

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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.