Home / 87,505,444.80-131,258,167.20-55,052,114.40

Finding the Fourth Proportional to 87,505,444.80, 131,258,167.20 and 55,052,114.40

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Solution

The fourth proportional to 87,505,444.80, 131,258,167.20 and 55,052,114.40 is: 82,578,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505,444.80 : 131,258,167.20 = 55,052,114.40 : x
  2. Step 2: Convert to fraction form
    87,505,444.80/131,258,167.20 = 55,052,114.40/x
  3. Step 3: Cross multiply
    87,505,444.80x = 131,258,167.20 × 55,052,114.40
  4. Step 4: Simplify right side
    87,505,444.80x = 7,226,039,636,628,728
  5. Step 5: Solve for x
    x = 7,226,039,636,628,728/87,505,444.80
  6. Step 6: Final answer
    x = 82,578,171.60

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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.