Home / 55,274,710.86-82,922,693.46-21,193,398.90

Finding the Fourth Proportional to 55,274,710.86, 82,922,693.46 and 21,193,398.90

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Solution

The fourth proportional to 55,274,710.86, 82,922,693.46 and 21,193,398.90 is: 31,794,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,710.86 : 82,922,693.46 = 21,193,398.90 : x
  2. Step 2: Convert to fraction form
    55,274,710.86/82,922,693.46 = 21,193,398.90/x
  3. Step 3: Cross multiply
    55,274,710.86x = 82,922,693.46 × 21,193,398.90
  4. Step 4: Simplify right side
    55,274,710.86x = 1,757,413,720,360,201
  5. Step 5: Solve for x
    x = 1,757,413,720,360,201/55,274,710.86
  6. Step 6: Final answer
    x = 31,794,173.01

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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.