Home / 53,760,103.20-80,640,154.80-49,083,422.40

Finding the Fourth Proportional to 53,760,103.20, 80,640,154.80 and 49,083,422.40

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Solution

The fourth proportional to 53,760,103.20, 80,640,154.80 and 49,083,422.40 is: 73,625,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760,103.20 : 80,640,154.80 = 49,083,422.40 : x
  2. Step 2: Convert to fraction form
    53,760,103.20/80,640,154.80 = 49,083,422.40/x
  3. Step 3: Cross multiply
    53,760,103.20x = 80,640,154.80 × 49,083,422.40
  4. Step 4: Simplify right side
    53,760,103.20x = 3,958,094,780,449,787.50
  5. Step 5: Solve for x
    x = 3,958,094,780,449,787.50/53,760,103.20
  6. Step 6: Final answer
    x = 73,625,133.60

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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.