Home / 145,305,975.94-218,061,102.07-131,413,320.88

Finding the Fourth Proportional to 145,305,975.94, 218,061,102.07 and 131,413,320.88

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Solution

The fourth proportional to 145,305,975.94, 218,061,102.07 and 131,413,320.88 is: 197,212,354.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,305,975.94 : 218,061,102.07 = 131,413,320.88 : x
  2. Step 2: Convert to fraction form
    145,305,975.94/218,061,102.07 = 131,413,320.88/x
  3. Step 3: Cross multiply
    145,305,975.94x = 218,061,102.07 × 131,413,320.88
  4. Step 4: Simplify right side
    145,305,975.94x = 28,656,133,577,390,456
  5. Step 5: Solve for x
    x = 28,656,133,577,390,456/145,305,975.94
  6. Step 6: Final answer
    x = 197,212,354.09

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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.