Home / 40,203,468.82-60,311,929.62-31,567,220.88

Finding the Fourth Proportional to 40,203,468.82, 60,311,929.62 and 31,567,220.88

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Solution

The fourth proportional to 40,203,468.82, 60,311,929.62 and 31,567,220.88 is: 47,356,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203,468.82 : 60,311,929.62 = 31,567,220.88 : x
  2. Step 2: Convert to fraction form
    40,203,468.82/60,311,929.62 = 31,567,220.88/x
  3. Step 3: Cross multiply
    40,203,468.82x = 60,311,929.62 × 31,567,220.88
  4. Step 4: Simplify right side
    40,203,468.82x = 1,903,880,003,905,761.75
  5. Step 5: Solve for x
    x = 1,903,880,003,905,761.75/40,203,468.82
  6. Step 6: Final answer
    x = 47,356,112.79

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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.