Home / 291,028,209.30-436,861,178.55-181,976,516.10

Finding the Fourth Proportional to 291,028,209.30, 436,861,178.55 and 181,976,516.10

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Solution

The fourth proportional to 291,028,209.30, 436,861,178.55 and 181,976,516.10 is: 273,164,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,028,209.30 : 436,861,178.55 = 181,976,516.10 : x
  2. Step 2: Convert to fraction form
    291,028,209.30/436,861,178.55 = 181,976,516.10/x
  3. Step 3: Cross multiply
    291,028,209.30x = 436,861,178.55 × 181,976,516.10
  4. Step 4: Simplify right side
    291,028,209.30x = 79,498,475,291,869,056
  5. Step 5: Solve for x
    x = 79,498,475,291,869,056/291,028,209.30
  6. Step 6: Final answer
    x = 273,164,156.43

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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.