Home / 123,723,333.72-185,608,898.92-47,040,399.64

Finding the Fourth Proportional to 123,723,333.72, 185,608,898.92 and 47,040,399.64

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Solution

The fourth proportional to 123,723,333.72, 185,608,898.92 and 47,040,399.64 is: 70,569,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,723,333.72 : 185,608,898.92 = 47,040,399.64 : x
  2. Step 2: Convert to fraction form
    123,723,333.72/185,608,898.92 = 47,040,399.64/x
  3. Step 3: Cross multiply
    123,723,333.72x = 185,608,898.92 × 47,040,399.64
  4. Step 4: Simplify right side
    123,723,333.72x = 8,731,116,781,937,164
  5. Step 5: Solve for x
    x = 8,731,116,781,937,164/123,723,333.72
  6. Step 6: Final answer
    x = 70,569,685.76

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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.