Home / 203,172,330.72-280,373,047.62-119,545,877.76

Finding the Fourth Proportional to 203,172,330.72, 280,373,047.62 and 119,545,877.76

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Solution

The fourth proportional to 203,172,330.72, 280,373,047.62 and 119,545,877.76 is: 164,970,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,172,330.72 : 280,373,047.62 = 119,545,877.76 : x
  2. Step 2: Convert to fraction form
    203,172,330.72/280,373,047.62 = 119,545,877.76/x
  3. Step 3: Cross multiply
    203,172,330.72x = 280,373,047.62 × 119,545,877.76
  4. Step 4: Simplify right side
    203,172,330.72x = 33,517,442,077,979,180
  5. Step 5: Solve for x
    x = 33,517,442,077,979,180/203,172,330.72
  6. Step 6: Final answer
    x = 164,970,505.38

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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.