Home / 208,731,107.25-312,958,473.91-99,573,125.85

Finding the Fourth Proportional to 208,731,107.25, 312,958,473.91 and 99,573,125.85

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Solution

The fourth proportional to 208,731,107.25, 312,958,473.91 and 99,573,125.85 is: 149,293,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,731,107.25 : 312,958,473.91 = 99,573,125.85 : x
  2. Step 2: Convert to fraction form
    208,731,107.25/312,958,473.91 = 99,573,125.85/x
  3. Step 3: Cross multiply
    208,731,107.25x = 312,958,473.91 × 99,573,125.85
  4. Step 4: Simplify right side
    208,731,107.25x = 31,162,253,508,774,044
  5. Step 5: Solve for x
    x = 31,162,253,508,774,044/208,731,107.25
  6. Step 6: Final answer
    x = 149,293,768.04

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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.