Home / 226,332,644.36-312,341,826.11-137,023,375.37

Finding the Fourth Proportional to 226,332,644.36, 312,341,826.11 and 137,023,375.37

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Solution

The fourth proportional to 226,332,644.36, 312,341,826.11 and 137,023,375.37 is: 189,093,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,332,644.36 : 312,341,826.11 = 137,023,375.37 : x
  2. Step 2: Convert to fraction form
    226,332,644.36/312,341,826.11 = 137,023,375.37/x
  3. Step 3: Cross multiply
    226,332,644.36x = 312,341,826.11 × 137,023,375.37
  4. Step 4: Simplify right side
    226,332,644.36x = 42,798,131,280,574,976
  5. Step 5: Solve for x
    x = 42,798,131,280,574,976/226,332,644.36
  6. Step 6: Final answer
    x = 189,093,939.16

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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.