Home / 66,739,516.38-99,991,536.21-58,449,658.86

Finding the Fourth Proportional to 66,739,516.38, 99,991,536.21 and 58,449,658.86

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Solution

The fourth proportional to 66,739,516.38, 99,991,536.21 and 58,449,658.86 is: 87,571,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739,516.38 : 99,991,536.21 = 58,449,658.86 : x
  2. Step 2: Convert to fraction form
    66,739,516.38/99,991,536.21 = 58,449,658.86/x
  3. Step 3: Cross multiply
    66,739,516.38x = 99,991,536.21 × 58,449,658.86
  4. Step 4: Simplify right side
    66,739,516.38x = 5,844,471,180,361,837
  5. Step 5: Solve for x
    x = 5,844,471,180,361,837/66,739,516.38
  6. Step 6: Final answer
    x = 87,571,374.46

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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.