Home / 145,015,122.45-217,520,552.37-35,840,302.88

Finding the Fourth Proportional to 145,015,122.45, 217,520,552.37 and 35,840,302.88

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Solution

The fourth proportional to 145,015,122.45, 217,520,552.37 and 35,840,302.88 is: 53,759,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015,122.45 : 217,520,552.37 = 35,840,302.88 : x
  2. Step 2: Convert to fraction form
    145,015,122.45/217,520,552.37 = 35,840,302.88/x
  3. Step 3: Cross multiply
    145,015,122.45x = 217,520,552.37 × 35,840,302.88
  4. Step 4: Simplify right side
    145,015,122.45x = 7,796,002,478,410,720
  5. Step 5: Solve for x
    x = 7,796,002,478,410,720/145,015,122.45
  6. Step 6: Final answer
    x = 53,759,927.56

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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.