Home / 79,238,891.25-109,303,342.18-49,823,653.77

Finding the Fourth Proportional to 79,238,891.25, 109,303,342.18 and 49,823,653.77

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Solution

The fourth proportional to 79,238,891.25, 109,303,342.18 and 49,823,653.77 is: 68,727,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238,891.25 : 109,303,342.18 = 49,823,653.77 : x
  2. Step 2: Convert to fraction form
    79,238,891.25/109,303,342.18 = 49,823,653.77/x
  3. Step 3: Cross multiply
    79,238,891.25x = 109,303,342.18 × 49,823,653.77
  4. Step 4: Simplify right side
    79,238,891.25x = 5,445,891,876,555,598
  5. Step 5: Solve for x
    x = 5,445,891,876,555,598/79,238,891.25
  6. Step 6: Final answer
    x = 68,727,512.34

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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.