Home / 139,968,314.70-209,952,472.05-125,859,540.30

Finding the Fourth Proportional to 139,968,314.70, 209,952,472.05 and 125,859,540.30

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Solution

The fourth proportional to 139,968,314.70, 209,952,472.05 and 125,859,540.30 is: 188,789,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,314.70 : 209,952,472.05 = 125,859,540.30 : x
  2. Step 2: Convert to fraction form
    139,968,314.70/209,952,472.05 = 125,859,540.30/x
  3. Step 3: Cross multiply
    139,968,314.70x = 209,952,472.05 × 125,859,540.30
  4. Step 4: Simplify right side
    139,968,314.70x = 26,424,521,617,061,600
  5. Step 5: Solve for x
    x = 26,424,521,617,061,600/139,968,314.70
  6. Step 6: Final answer
    x = 188,789,310.45

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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.