Home / 137,964,471.44-206,869,735.73-45,798,156.86

Finding the Fourth Proportional to 137,964,471.44, 206,869,735.73 and 45,798,156.86

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Solution

The fourth proportional to 137,964,471.44, 206,869,735.73 and 45,798,156.86 is: 68,671,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,964,471.44 : 206,869,735.73 = 45,798,156.86 : x
  2. Step 2: Convert to fraction form
    137,964,471.44/206,869,735.73 = 45,798,156.86/x
  3. Step 3: Cross multiply
    137,964,471.44x = 206,869,735.73 × 45,798,156.86
  4. Step 4: Simplify right side
    137,964,471.44x = 9,474,252,605,629,432
  5. Step 5: Solve for x
    x = 9,474,252,605,629,432/137,964,471.44
  6. Step 6: Final answer
    x = 68,671,684.15

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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.