Home / 76,466,878.56-105,523,976.16-41,659,462.08

Finding the Fourth Proportional to 76,466,878.56, 105,523,976.16 and 41,659,462.08

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Solution

The fourth proportional to 76,466,878.56, 105,523,976.16 and 41,659,462.08 is: 57,489,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,466,878.56 : 105,523,976.16 = 41,659,462.08 : x
  2. Step 2: Convert to fraction form
    76,466,878.56/105,523,976.16 = 41,659,462.08/x
  3. Step 3: Cross multiply
    76,466,878.56x = 105,523,976.16 × 41,659,462.08
  4. Step 4: Simplify right side
    76,466,878.56x = 4,396,072,083,368,343.50
  5. Step 5: Solve for x
    x = 4,396,072,083,368,343.50/76,466,878.56
  6. Step 6: Final answer
    x = 57,489,885.37

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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.