Home / 90,344,234.06-124,675,790.34-49,091,126.44

Finding the Fourth Proportional to 90,344,234.06, 124,675,790.34 and 49,091,126.44

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Solution

The fourth proportional to 90,344,234.06, 124,675,790.34 and 49,091,126.44 is: 67,746,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,234.06 : 124,675,790.34 = 49,091,126.44 : x
  2. Step 2: Convert to fraction form
    90,344,234.06/124,675,790.34 = 49,091,126.44/x
  3. Step 3: Cross multiply
    90,344,234.06x = 124,675,790.34 × 49,091,126.44
  4. Step 4: Simplify right side
    90,344,234.06x = 6,120,474,987,418,147
  5. Step 5: Solve for x
    x = 6,120,474,987,418,147/90,344,234.06
  6. Step 6: Final answer
    x = 67,746,160.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.