Home / 151,085,709.80-226,964,487.90-145,375,015.40

Finding the Fourth Proportional to 151,085,709.80, 226,964,487.90 and 145,375,015.40

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Solution

The fourth proportional to 151,085,709.80, 226,964,487.90 and 145,375,015.40 is: 218,385,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,085,709.80 : 226,964,487.90 = 145,375,015.40 : x
  2. Step 2: Convert to fraction form
    151,085,709.80/226,964,487.90 = 145,375,015.40/x
  3. Step 3: Cross multiply
    151,085,709.80x = 226,964,487.90 × 145,375,015.40
  4. Step 4: Simplify right side
    151,085,709.80x = 32,994,965,923,715,616
  5. Step 5: Solve for x
    x = 32,994,965,923,715,616/151,085,709.80
  6. Step 6: Final answer
    x = 218,385,749.17

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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.