Home / 87,408,099.40-131,112,149.10-53,395,875.40

Finding the Fourth Proportional to 87,408,099.40, 131,112,149.10 and 53,395,875.40

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Solution

The fourth proportional to 87,408,099.40, 131,112,149.10 and 53,395,875.40 is: 80,093,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,099.40 : 131,112,149.10 = 53,395,875.40 : x
  2. Step 2: Convert to fraction form
    87,408,099.40/131,112,149.10 = 53,395,875.40/x
  3. Step 3: Cross multiply
    87,408,099.40x = 131,112,149.10 × 53,395,875.40
  4. Step 4: Simplify right side
    87,408,099.40x = 7,000,847,976,769,822
  5. Step 5: Solve for x
    x = 7,000,847,976,769,822/87,408,099.40
  6. Step 6: Final answer
    x = 80,093,813.10

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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.