Home / 65,388,441.58-90,243,136.71-36,022,783.38

Finding the Fourth Proportional to 65,388,441.58, 90,243,136.71 and 36,022,783.38

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Solution

The fourth proportional to 65,388,441.58, 90,243,136.71 and 36,022,783.38 is: 49,715,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388,441.58 : 90,243,136.71 = 36,022,783.38 : x
  2. Step 2: Convert to fraction form
    65,388,441.58/90,243,136.71 = 36,022,783.38/x
  3. Step 3: Cross multiply
    65,388,441.58x = 90,243,136.71 × 36,022,783.38
  4. Step 4: Simplify right side
    65,388,441.58x = 3,250,808,965,236,056
  5. Step 5: Solve for x
    x = 3,250,808,965,236,056/65,388,441.58
  6. Step 6: Final answer
    x = 49,715,345.51

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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.