Home / 77,856,519.72-107,437,380.84-43,046,478.12

Finding the Fourth Proportional to 77,856,519.72, 107,437,380.84 and 43,046,478.12

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Solution

The fourth proportional to 77,856,519.72, 107,437,380.84 and 43,046,478.12 is: 59,401,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,856,519.72 : 107,437,380.84 = 43,046,478.12 : x
  2. Step 2: Convert to fraction form
    77,856,519.72/107,437,380.84 = 43,046,478.12/x
  3. Step 3: Cross multiply
    77,856,519.72x = 107,437,380.84 × 43,046,478.12
  4. Step 4: Simplify right side
    77,856,519.72x = 4,624,800,863,599,167
  5. Step 5: Solve for x
    x = 4,624,800,863,599,167/77,856,519.72
  6. Step 6: Final answer
    x = 59,401,587.44

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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.