Home / 214,008,515.58-320,467,821.12-141,003,966.96

Finding the Fourth Proportional to 214,008,515.58, 320,467,821.12 and 141,003,966.96

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Solution

The fourth proportional to 214,008,515.58, 320,467,821.12 and 141,003,966.96 is: 211,146,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,008,515.58 : 320,467,821.12 = 141,003,966.96 : x
  2. Step 2: Convert to fraction form
    214,008,515.58/320,467,821.12 = 141,003,966.96/x
  3. Step 3: Cross multiply
    214,008,515.58x = 320,467,821.12 × 141,003,966.96
  4. Step 4: Simplify right side
    214,008,515.58x = 45,187,234,060,947,672
  5. Step 5: Solve for x
    x = 45,187,234,060,947,672/214,008,515.58
  6. Step 6: Final answer
    x = 211,146,897.30

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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.