Home / 214,008,518.49-320,467,825.53-141,003,970.04

Finding the Fourth Proportional to 214,008,518.49, 320,467,825.53 and 141,003,970.04

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Solution

The fourth proportional to 214,008,518.49, 320,467,825.53 and 141,003,970.04 is: 211,146,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,008,518.49 : 320,467,825.53 = 141,003,970.04 : x
  2. Step 2: Convert to fraction form
    214,008,518.49/320,467,825.53 = 141,003,970.04/x
  3. Step 3: Cross multiply
    214,008,518.49x = 320,467,825.53 × 141,003,970.04
  4. Step 4: Simplify right side
    214,008,518.49x = 45,187,235,668,213,720
  5. Step 5: Solve for x
    x = 45,187,235,668,213,720/214,008,518.49
  6. Step 6: Final answer
    x = 211,146,901.94

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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.