Home / 137,964,471.62-206,869,736.01-45,798,157.04

Finding the Fourth Proportional to 137,964,471.62, 206,869,736.01 and 45,798,157.04

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Solution

The fourth proportional to 137,964,471.62, 206,869,736.01 and 45,798,157.04 is: 68,671,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,964,471.62 : 206,869,736.01 = 45,798,157.04 : x
  2. Step 2: Convert to fraction form
    137,964,471.62/206,869,736.01 = 45,798,157.04/x
  3. Step 3: Cross multiply
    137,964,471.62x = 206,869,736.01 × 45,798,157.04
  4. Step 4: Simplify right side
    137,964,471.62x = 9,474,252,657,126,496
  5. Step 5: Solve for x
    x = 9,474,252,657,126,496/137,964,471.62
  6. Step 6: Final answer
    x = 68,671,684.43

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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.