Home / 35,680,144.50-49,234,422.11-20,992,580.55

Finding the Fourth Proportional to 35,680,144.50, 49,234,422.11 and 20,992,580.55

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Solution

The fourth proportional to 35,680,144.50, 49,234,422.11 and 20,992,580.55 is: 28,967,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680,144.50 : 49,234,422.11 = 20,992,580.55 : x
  2. Step 2: Convert to fraction form
    35,680,144.50/49,234,422.11 = 20,992,580.55/x
  3. Step 3: Cross multiply
    35,680,144.50x = 49,234,422.11 × 20,992,580.55
  4. Step 4: Simplify right side
    35,680,144.50x = 1,033,557,571,871,913
  5. Step 5: Solve for x
    x = 1,033,557,571,871,913/35,680,144.50
  6. Step 6: Final answer
    x = 28,967,303.42

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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.