Home / 143,705,906.80-215,558,860.20-70,957,538.80

Finding the Fourth Proportional to 143,705,906.80, 215,558,860.20 and 70,957,538.80

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Solution

The fourth proportional to 143,705,906.80, 215,558,860.20 and 70,957,538.80 is: 106,436,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,705,906.80 : 215,558,860.20 = 70,957,538.80 : x
  2. Step 2: Convert to fraction form
    143,705,906.80/215,558,860.20 = 70,957,538.80/x
  3. Step 3: Cross multiply
    143,705,906.80x = 215,558,860.20 × 70,957,538.80
  4. Step 4: Simplify right side
    143,705,906.80x = 15,295,526,186,325,274
  5. Step 5: Solve for x
    x = 15,295,526,186,325,274/143,705,906.80
  6. Step 6: Final answer
    x = 106,436,308.20

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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.