Home / 208,469,386.68-287,693,048.22-114,383,508.72

Finding the Fourth Proportional to 208,469,386.68, 287,693,048.22 and 114,383,508.72

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Solution

The fourth proportional to 208,469,386.68, 287,693,048.22 and 114,383,508.72 is: 157,852,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,469,386.68 : 287,693,048.22 = 114,383,508.72 : x
  2. Step 2: Convert to fraction form
    208,469,386.68/287,693,048.22 = 114,383,508.72/x
  3. Step 3: Cross multiply
    208,469,386.68x = 287,693,048.22 × 114,383,508.72
  4. Step 4: Simplify right side
    208,469,386.68x = 32,907,340,289,755,752
  5. Step 5: Solve for x
    x = 32,907,340,289,755,752/208,469,386.68
  6. Step 6: Final answer
    x = 157,852,147.09

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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.