Home / 83,548,939.20-125,323,408.80-76,368,580.80

Finding the Fourth Proportional to 83,548,939.20, 125,323,408.80 and 76,368,580.80

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Solution

The fourth proportional to 83,548,939.20, 125,323,408.80 and 76,368,580.80 is: 114,552,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548,939.20 : 125,323,408.80 = 76,368,580.80 : x
  2. Step 2: Convert to fraction form
    83,548,939.20/125,323,408.80 = 76,368,580.80/x
  3. Step 3: Cross multiply
    83,548,939.20x = 125,323,408.80 × 76,368,580.80
  4. Step 4: Simplify right side
    83,548,939.20x = 9,570,770,871,074,230
  5. Step 5: Solve for x
    x = 9,570,770,871,074,230/83,548,939.20
  6. Step 6: Final answer
    x = 114,552,871.20

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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.