Home / 140,663,329.44-211,188,261.24-71,622,516.84

Finding the Fourth Proportional to 140,663,329.44, 211,188,261.24 and 71,622,516.84

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Solution

The fourth proportional to 140,663,329.44, 211,188,261.24 and 71,622,516.84 is: 107,532,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663,329.44 : 211,188,261.24 = 71,622,516.84 : x
  2. Step 2: Convert to fraction form
    140,663,329.44/211,188,261.24 = 71,622,516.84/x
  3. Step 3: Cross multiply
    140,663,329.44x = 211,188,261.24 × 71,622,516.84
  4. Step 4: Simplify right side
    140,663,329.44x = 15,125,834,797,072,220
  5. Step 5: Solve for x
    x = 15,125,834,797,072,220/140,663,329.44
  6. Step 6: Final answer
    x = 107,532,182.39

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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.