Home / 118,783,056.17-177,944,761.64-66,809,745.42

Finding the Fourth Proportional to 118,783,056.17, 177,944,761.64 and 66,809,745.42

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Solution

The fourth proportional to 118,783,056.17, 177,944,761.64 and 66,809,745.42 is: 100,085,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,783,056.17 : 177,944,761.64 = 66,809,745.42 : x
  2. Step 2: Convert to fraction form
    118,783,056.17/177,944,761.64 = 66,809,745.42/x
  3. Step 3: Cross multiply
    118,783,056.17x = 177,944,761.64 × 66,809,745.42
  4. Step 4: Simplify right side
    118,783,056.17x = 11,888,444,223,656,932
  5. Step 5: Solve for x
    x = 11,888,444,223,656,932/118,783,056.17
  6. Step 6: Final answer
    x = 100,085,353.98

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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.