Home / 39,892,439.43-55,049,193.87-23,145,881.64

Finding the Fourth Proportional to 39,892,439.43, 55,049,193.87 and 23,145,881.64

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Solution

The fourth proportional to 39,892,439.43, 55,049,193.87 and 23,145,881.64 is: 31,939,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892,439.43 : 55,049,193.87 = 23,145,881.64 : x
  2. Step 2: Convert to fraction form
    39,892,439.43/55,049,193.87 = 23,145,881.64/x
  3. Step 3: Cross multiply
    39,892,439.43x = 55,049,193.87 × 23,145,881.64
  4. Step 4: Simplify right side
    39,892,439.43x = 1,274,162,125,692,433.50
  5. Step 5: Solve for x
    x = 1,274,162,125,692,433.50/39,892,439.43
  6. Step 6: Final answer
    x = 31,939,940.10

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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.