Home / 415,864,887.70-623,797,331.55-109,188,001.30

Finding the Fourth Proportional to 415,864,887.70, 623,797,331.55 and 109,188,001.30

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Solution

The fourth proportional to 415,864,887.70, 623,797,331.55 and 109,188,001.30 is: 163,782,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,864,887.70 : 623,797,331.55 = 109,188,001.30 : x
  2. Step 2: Convert to fraction form
    415,864,887.70/623,797,331.55 = 109,188,001.30/x
  3. Step 3: Cross multiply
    415,864,887.70x = 623,797,331.55 × 109,188,001.30
  4. Step 4: Simplify right side
    415,864,887.70x = 68,111,183,848,217,920
  5. Step 5: Solve for x
    x = 68,111,183,848,217,920/415,864,887.70
  6. Step 6: Final answer
    x = 163,782,001.95

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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.