Home / 72,741,175.82-109,126,137.78-26,683,472.52

Finding the Fourth Proportional to 72,741,175.82, 109,126,137.78 and 26,683,472.52

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Solution

The fourth proportional to 72,741,175.82, 109,126,137.78 and 26,683,472.52 is: 40,030,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,741,175.82 : 109,126,137.78 = 26,683,472.52 : x
  2. Step 2: Convert to fraction form
    72,741,175.82/109,126,137.78 = 26,683,472.52/x
  3. Step 3: Cross multiply
    72,741,175.82x = 109,126,137.78 × 26,683,472.52
  4. Step 4: Simplify right side
    72,741,175.82x = 2,911,864,298,666,364
  5. Step 5: Solve for x
    x = 2,911,864,298,666,364/72,741,175.82
  6. Step 6: Final answer
    x = 40,030,481.58

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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.