Home / 208,469,330.87-287,692,971.20-114,383,452.94

Finding the Fourth Proportional to 208,469,330.87, 287,692,971.20 and 114,383,452.94

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Solution

The fourth proportional to 208,469,330.87, 287,692,971.20 and 114,383,452.94 is: 157,852,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,469,330.87 : 287,692,971.20 = 114,383,452.94 : x
  2. Step 2: Convert to fraction form
    208,469,330.87/287,692,971.20 = 114,383,452.94/x
  3. Step 3: Cross multiply
    208,469,330.87x = 287,692,971.20 × 114,383,452.94
  4. Step 4: Simplify right side
    208,469,330.87x = 32,907,315,433,862,512
  5. Step 5: Solve for x
    x = 32,907,315,433,862,512/208,469,330.87
  6. Step 6: Final answer
    x = 157,852,070.12

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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.