Home / 87,413,855.40-131,157,524.70-46,977,100.20

Finding the Fourth Proportional to 87,413,855.40, 131,157,524.70 and 46,977,100.20

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Solution

The fourth proportional to 87,413,855.40, 131,157,524.70 and 46,977,100.20 is: 70,485,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413,855.40 : 131,157,524.70 = 46,977,100.20 : x
  2. Step 2: Convert to fraction form
    87,413,855.40/131,157,524.70 = 46,977,100.20/x
  3. Step 3: Cross multiply
    87,413,855.40x = 131,157,524.70 × 46,977,100.20
  4. Step 4: Simplify right side
    87,413,855.40x = 6,161,400,179,815,875
  5. Step 5: Solve for x
    x = 6,161,400,179,815,875/87,413,855.40
  6. Step 6: Final answer
    x = 70,485,395.61

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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.