Home / 65,856,267.50-90,881,649.15-36,882,891.50

Finding the Fourth Proportional to 65,856,267.50, 90,881,649.15 and 36,882,891.50

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Solution

The fourth proportional to 65,856,267.50, 90,881,649.15 and 36,882,891.50 is: 50,898,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,267.50 : 90,881,649.15 = 36,882,891.50 : x
  2. Step 2: Convert to fraction form
    65,856,267.50/90,881,649.15 = 36,882,891.50/x
  3. Step 3: Cross multiply
    65,856,267.50x = 90,881,649.15 × 36,882,891.50
  4. Step 4: Simplify right side
    65,856,267.50x = 3,351,978,004,940,517.50
  5. Step 5: Solve for x
    x = 3,351,978,004,940,517.50/65,856,267.50
  6. Step 6: Final answer
    x = 50,898,390.27

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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.