Home / 73,074,217.80-100,842,420.24-40,479,169.80

Finding the Fourth Proportional to 73,074,217.80, 100,842,420.24 and 40,479,169.80

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Solution

The fourth proportional to 73,074,217.80, 100,842,420.24 and 40,479,169.80 is: 55,861,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,074,217.80 : 100,842,420.24 = 40,479,169.80 : x
  2. Step 2: Convert to fraction form
    73,074,217.80/100,842,420.24 = 40,479,169.80/x
  3. Step 3: Cross multiply
    73,074,217.80x = 100,842,420.24 × 40,479,169.80
  4. Step 4: Simplify right side
    73,074,217.80x = 4,082,017,451,937,916
  5. Step 5: Solve for x
    x = 4,082,017,451,937,916/73,074,217.80
  6. Step 6: Final answer
    x = 55,861,254.14

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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.