Home / 57,075,457.20-85,471,468.20-45,738,049.20

Finding the Fourth Proportional to 57,075,457.20, 85,471,468.20 and 45,738,049.20

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Solution

The fourth proportional to 57,075,457.20, 85,471,468.20 and 45,738,049.20 is: 68,493,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075,457.20 : 85,471,468.20 = 45,738,049.20 : x
  2. Step 2: Convert to fraction form
    57,075,457.20/85,471,468.20 = 45,738,049.20/x
  3. Step 3: Cross multiply
    57,075,457.20x = 85,471,468.20 × 45,738,049.20
  4. Step 4: Simplify right side
    57,075,457.20x = 3,909,298,217,727,836
  5. Step 5: Solve for x
    x = 3,909,298,217,727,836/57,075,457.20
  6. Step 6: Final answer
    x = 68,493,506.83

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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.