Home / 65,762,942.13-90,753,032.48-36,396,299.79

Finding the Fourth Proportional to 65,762,942.13, 90,753,032.48 and 36,396,299.79

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Solution

The fourth proportional to 65,762,942.13, 90,753,032.48 and 36,396,299.79 is: 50,226,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762,942.13 : 90,753,032.48 = 36,396,299.79 : x
  2. Step 2: Convert to fraction form
    65,762,942.13/90,753,032.48 = 36,396,299.79/x
  3. Step 3: Cross multiply
    65,762,942.13x = 90,753,032.48 × 36,396,299.79
  4. Step 4: Simplify right side
    65,762,942.13x = 3,303,074,576,811,705.50
  5. Step 5: Solve for x
    x = 3,303,074,576,811,705.50/65,762,942.13
  6. Step 6: Final answer
    x = 50,226,989.09

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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.