Home / 127,920,645.78-176,530,491.31-69,183,310.60

Finding the Fourth Proportional to 127,920,645.78, 176,530,491.31 and 69,183,310.60

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Solution

The fourth proportional to 127,920,645.78, 176,530,491.31 and 69,183,310.60 is: 95,472,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,645.78 : 176,530,491.31 = 69,183,310.60 : x
  2. Step 2: Convert to fraction form
    127,920,645.78/176,530,491.31 = 69,183,310.60/x
  3. Step 3: Cross multiply
    127,920,645.78x = 176,530,491.31 × 69,183,310.60
  4. Step 4: Simplify right side
    127,920,645.78x = 12,212,963,809,660,020
  5. Step 5: Solve for x
    x = 12,212,963,809,660,020/127,920,645.78
  6. Step 6: Final answer
    x = 95,472,968.69

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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.