Home / 55,640,810.40-83,422,335.60-32,910,007.20

Finding the Fourth Proportional to 55,640,810.40, 83,422,335.60 and 32,910,007.20

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Solution

The fourth proportional to 55,640,810.40, 83,422,335.60 and 32,910,007.20 is: 49,342,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640,810.40 : 83,422,335.60 = 32,910,007.20 : x
  2. Step 2: Convert to fraction form
    55,640,810.40/83,422,335.60 = 32,910,007.20/x
  3. Step 3: Cross multiply
    55,640,810.40x = 83,422,335.60 × 32,910,007.20
  4. Step 4: Simplify right side
    55,640,810.40x = 2,745,429,665,236,816
  5. Step 5: Solve for x
    x = 2,745,429,665,236,816/55,640,810.40
  6. Step 6: Final answer
    x = 49,342,014.35

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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.