Home / 74,481,358.34-102,782,662.68-43,120,729.64

Finding the Fourth Proportional to 74,481,358.34, 102,782,662.68 and 43,120,729.64

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Solution

The fourth proportional to 74,481,358.34, 102,782,662.68 and 43,120,729.64 is: 59,505,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481,358.34 : 102,782,662.68 = 43,120,729.64 : x
  2. Step 2: Convert to fraction form
    74,481,358.34/102,782,662.68 = 43,120,729.64/x
  3. Step 3: Cross multiply
    74,481,358.34x = 102,782,662.68 × 43,120,729.64
  4. Step 4: Simplify right side
    74,481,358.34x = 4,432,063,409,103,598
  5. Step 5: Solve for x
    x = 4,432,063,409,103,598/74,481,358.34
  6. Step 6: Final answer
    x = 59,505,673.74

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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.