Home / 87,871,750.60-131,807,625.90-73,629,131.80

Finding the Fourth Proportional to 87,871,750.60, 131,807,625.90 and 73,629,131.80

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Solution

The fourth proportional to 87,871,750.60, 131,807,625.90 and 73,629,131.80 is: 110,443,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871,750.60 : 131,807,625.90 = 73,629,131.80 : x
  2. Step 2: Convert to fraction form
    87,871,750.60/131,807,625.90 = 73,629,131.80/x
  3. Step 3: Cross multiply
    87,871,750.60x = 131,807,625.90 × 73,629,131.80
  4. Step 4: Simplify right side
    87,871,750.60x = 9,704,881,059,636,194
  5. Step 5: Solve for x
    x = 9,704,881,059,636,194/87,871,750.60
  6. Step 6: Final answer
    x = 110,443,697.70

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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.