Home / 55,200,517.12-76,177,013.25-31,677,180.81

Finding the Fourth Proportional to 55,200,517.12, 76,177,013.25 and 31,677,180.81

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Solution

The fourth proportional to 55,200,517.12, 76,177,013.25 and 31,677,180.81 is: 43,714,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200,517.12 : 76,177,013.25 = 31,677,180.81 : x
  2. Step 2: Convert to fraction form
    55,200,517.12/76,177,013.25 = 31,677,180.81/x
  3. Step 3: Cross multiply
    55,200,517.12x = 76,177,013.25 × 31,677,180.81
  4. Step 4: Simplify right side
    55,200,517.12x = 2,413,073,022,119,141
  5. Step 5: Solve for x
    x = 2,413,073,022,119,141/55,200,517.12
  6. Step 6: Final answer
    x = 43,714,681.46

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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.