Home / 80,717,450.10-120,757,310.55-70,053,200.70

Finding the Fourth Proportional to 80,717,450.10, 120,757,310.55 and 70,053,200.70

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Solution

The fourth proportional to 80,717,450.10, 120,757,310.55 and 70,053,200.70 is: 104,803,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717,450.10 : 120,757,310.55 = 70,053,200.70 : x
  2. Step 2: Convert to fraction form
    80,717,450.10/120,757,310.55 = 70,053,200.70/x
  3. Step 3: Cross multiply
    80,717,450.10x = 120,757,310.55 × 70,053,200.70
  4. Step 4: Simplify right side
    80,717,450.10x = 8,459,436,111,951,378
  5. Step 5: Solve for x
    x = 8,459,436,111,951,378/80,717,450.10
  6. Step 6: Final answer
    x = 104,803,064.29

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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.