Home / 74,220,921.68-111,217,753.20-31,066,629.44

Finding the Fourth Proportional to 74,220,921.68, 111,217,753.20 and 31,066,629.44

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Solution

The fourth proportional to 74,220,921.68, 111,217,753.20 and 31,066,629.44 is: 46,552,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220,921.68 : 111,217,753.20 = 31,066,629.44 : x
  2. Step 2: Convert to fraction form
    74,220,921.68/111,217,753.20 = 31,066,629.44/x
  3. Step 3: Cross multiply
    74,220,921.68x = 111,217,753.20 × 31,066,629.44
  4. Step 4: Simplify right side
    74,220,921.68x = 3,455,160,725,813,774.50
  5. Step 5: Solve for x
    x = 3,455,160,725,813,774.50/74,220,921.68
  6. Step 6: Final answer
    x = 46,552,382.37

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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.