Home / 65,388,440.58-90,243,135.33-36,022,782.38

Finding the Fourth Proportional to 65,388,440.58, 90,243,135.33 and 36,022,782.38

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Solution

The fourth proportional to 65,388,440.58, 90,243,135.33 and 36,022,782.38 is: 49,715,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388,440.58 : 90,243,135.33 = 36,022,782.38 : x
  2. Step 2: Convert to fraction form
    65,388,440.58/90,243,135.33 = 36,022,782.38/x
  3. Step 3: Cross multiply
    65,388,440.58x = 90,243,135.33 × 36,022,782.38
  4. Step 4: Simplify right side
    65,388,440.58x = 3,250,808,825,281,479.50
  5. Step 5: Solve for x
    x = 3,250,808,825,281,479.50/65,388,440.58
  6. Step 6: Final answer
    x = 49,715,344.13

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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.