Home / 77,162,922.50-115,719,991.19-25,338,981.82

Finding the Fourth Proportional to 77,162,922.50, 115,719,991.19 and 25,338,981.82

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Solution

The fourth proportional to 77,162,922.50, 115,719,991.19 and 25,338,981.82 is: 38,000,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,922.50 : 115,719,991.19 = 25,338,981.82 : x
  2. Step 2: Convert to fraction form
    77,162,922.50/115,719,991.19 = 25,338,981.82/x
  3. Step 3: Cross multiply
    77,162,922.50x = 115,719,991.19 × 25,338,981.82
  4. Step 4: Simplify right side
    77,162,922.50x = 2,932,226,752,616,680.50
  5. Step 5: Solve for x
    x = 2,932,226,752,616,680.50/77,162,922.50
  6. Step 6: Final answer
    x = 38,000,462.62

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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.