Home / 39,840,157.40-54,979,531.09-23,098,150.55

Finding the Fourth Proportional to 39,840,157.40, 54,979,531.09 and 23,098,150.55

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Solution

The fourth proportional to 39,840,157.40, 54,979,531.09 and 23,098,150.55 is: 31,875,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840,157.40 : 54,979,531.09 = 23,098,150.55 : x
  2. Step 2: Convert to fraction form
    39,840,157.40/54,979,531.09 = 23,098,150.55/x
  3. Step 3: Cross multiply
    39,840,157.40x = 54,979,531.09 × 23,098,150.55
  4. Step 4: Simplify right side
    39,840,157.40x = 1,269,925,486,494,879.25
  5. Step 5: Solve for x
    x = 1,269,925,486,494,879.25/39,840,157.40
  6. Step 6: Final answer
    x = 31,875,513.79

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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.