Home / 137,954,542.64-206,947,822.80-45,846,500.72

Finding the Fourth Proportional to 137,954,542.64, 206,947,822.80 and 45,846,500.72

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Solution

The fourth proportional to 137,954,542.64, 206,947,822.80 and 45,846,500.72 is: 68,775,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,954,542.64 : 206,947,822.80 = 45,846,500.72 : x
  2. Step 2: Convert to fraction form
    137,954,542.64/206,947,822.80 = 45,846,500.72/x
  3. Step 3: Cross multiply
    137,954,542.64x = 206,947,822.80 × 45,846,500.72
  4. Step 4: Simplify right side
    137,954,542.64x = 9,487,833,507,002,632
  5. Step 5: Solve for x
    x = 9,487,833,507,002,632/137,954,542.64
  6. Step 6: Final answer
    x = 68,775,071.31

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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.