Home / 40,216,489.92-55,504,448.64-22,817,145.60

Finding the Fourth Proportional to 40,216,489.92, 55,504,448.64 and 22,817,145.60

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Solution

The fourth proportional to 40,216,489.92, 55,504,448.64 and 22,817,145.60 is: 31,490,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216,489.92 : 55,504,448.64 = 22,817,145.60 : x
  2. Step 2: Convert to fraction form
    40,216,489.92/55,504,448.64 = 22,817,145.60/x
  3. Step 3: Cross multiply
    40,216,489.92x = 55,504,448.64 × 22,817,145.60
  4. Step 4: Simplify right side
    40,216,489.92x = 1,266,453,086,066,602
  5. Step 5: Solve for x
    x = 1,266,453,086,066,602/40,216,489.92
  6. Step 6: Final answer
    x = 31,490,890.64

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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.