Home / 219,858,314.40-330,112,897.20-123,007,456.80

Finding the Fourth Proportional to 219,858,314.40, 330,112,897.20 and 123,007,456.80

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Solution

The fourth proportional to 219,858,314.40, 330,112,897.20 and 123,007,456.80 is: 184,693,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,858,314.40 : 330,112,897.20 = 123,007,456.80 : x
  2. Step 2: Convert to fraction form
    219,858,314.40/330,112,897.20 = 123,007,456.80/x
  3. Step 3: Cross multiply
    219,858,314.40x = 330,112,897.20 × 123,007,456.80
  4. Step 4: Simplify right side
    219,858,314.40x = 40,606,347,941,451,840
  5. Step 5: Solve for x
    x = 40,606,347,941,451,840/219,858,314.40
  6. Step 6: Final answer
    x = 184,693,255.98

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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.