Home / 266,784,829.70-400,177,244.55-85,032,007.70

Finding the Fourth Proportional to 266,784,829.70, 400,177,244.55 and 85,032,007.70

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Solution

The fourth proportional to 266,784,829.70, 400,177,244.55 and 85,032,007.70 is: 127,548,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,784,829.70 : 400,177,244.55 = 85,032,007.70 : x
  2. Step 2: Convert to fraction form
    266,784,829.70/400,177,244.55 = 85,032,007.70/x
  3. Step 3: Cross multiply
    266,784,829.70x = 400,177,244.55 × 85,032,007.70
  4. Step 4: Simplify right side
    266,784,829.70x = 34,027,874,539,940,384
  5. Step 5: Solve for x
    x = 34,027,874,539,940,384/266,784,829.70
  6. Step 6: Final answer
    x = 127,548,011.55

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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.