Home / 203,333,114.78-280,714,926.42-155,558,485.92

Finding the Fourth Proportional to 203,333,114.78, 280,714,926.42 and 155,558,485.92

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Solution

The fourth proportional to 203,333,114.78, 280,714,926.42 and 155,558,485.92 is: 214,758,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,333,114.78 : 280,714,926.42 = 155,558,485.92 : x
  2. Step 2: Convert to fraction form
    203,333,114.78/280,714,926.42 = 155,558,485.92/x
  3. Step 3: Cross multiply
    203,333,114.78x = 280,714,926.42 × 155,558,485.92
  4. Step 4: Simplify right side
    203,333,114.78x = 43,667,588,929,039,408
  5. Step 5: Solve for x
    x = 43,667,588,929,039,408/203,333,114.78
  6. Step 6: Final answer
    x = 214,758,864.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.