Home / 87,645,251.70-131,467,877.55-84,297,173.40

Finding the Fourth Proportional to 87,645,251.70, 131,467,877.55 and 84,297,173.40

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Solution

The fourth proportional to 87,645,251.70, 131,467,877.55 and 84,297,173.40 is: 126,445,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645,251.70 : 131,467,877.55 = 84,297,173.40 : x
  2. Step 2: Convert to fraction form
    87,645,251.70/131,467,877.55 = 84,297,173.40/x
  3. Step 3: Cross multiply
    87,645,251.70x = 131,467,877.55 × 84,297,173.40
  4. Step 4: Simplify right side
    87,645,251.70x = 11,082,370,470,362,318
  5. Step 5: Solve for x
    x = 11,082,370,470,362,318/87,645,251.70
  6. Step 6: Final answer
    x = 126,445,760.10

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1.5x scale

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.