Home / 72,580,951.20-108,871,426.80-48,394,480.80

Finding the Fourth Proportional to 72,580,951.20, 108,871,426.80 and 48,394,480.80

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Solution

The fourth proportional to 72,580,951.20, 108,871,426.80 and 48,394,480.80 is: 72,591,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580,951.20 : 108,871,426.80 = 48,394,480.80 : x
  2. Step 2: Convert to fraction form
    72,580,951.20/108,871,426.80 = 48,394,480.80/x
  3. Step 3: Cross multiply
    72,580,951.20x = 108,871,426.80 × 48,394,480.80
  4. Step 4: Simplify right side
    72,580,951.20x = 5,268,776,173,941,205
  5. Step 5: Solve for x
    x = 5,268,776,173,941,205/72,580,951.20
  6. Step 6: Final answer
    x = 72,591,721.20

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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.