Home / 340,699,215.72-510,844,137.39-133,190,474.61

Finding the Fourth Proportional to 340,699,215.72, 510,844,137.39 and 133,190,474.61

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Solution

The fourth proportional to 340,699,215.72, 510,844,137.39 and 133,190,474.61 is: 199,705,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,699,215.72 : 510,844,137.39 = 133,190,474.61 : x
  2. Step 2: Convert to fraction form
    340,699,215.72/510,844,137.39 = 133,190,474.61/x
  3. Step 3: Cross multiply
    340,699,215.72x = 510,844,137.39 × 133,190,474.61
  4. Step 4: Simplify right side
    340,699,215.72x = 68,039,573,110,710,144
  5. Step 5: Solve for x
    x = 68,039,573,110,710,144/340,699,215.72
  6. Step 6: Final answer
    x = 199,705,693.38

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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.