Home / 63,914,540.40-95,871,810.60-20,785,150.80

Finding the Fourth Proportional to 63,914,540.40, 95,871,810.60 and 20,785,150.80

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Solution

The fourth proportional to 63,914,540.40, 95,871,810.60 and 20,785,150.80 is: 31,177,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,914,540.40 : 95,871,810.60 = 20,785,150.80 : x
  2. Step 2: Convert to fraction form
    63,914,540.40/95,871,810.60 = 20,785,150.80/x
  3. Step 3: Cross multiply
    63,914,540.40x = 95,871,810.60 × 20,785,150.80
  4. Step 4: Simplify right side
    63,914,540.40x = 1,992,710,040,790,038.50
  5. Step 5: Solve for x
    x = 1,992,710,040,790,038.50/63,914,540.40
  6. Step 6: Final answer
    x = 31,177,726.20

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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.