Home / 194,940,139.80-292,410,209.70-80,007,166.20

Finding the Fourth Proportional to 194,940,139.80, 292,410,209.70 and 80,007,166.20

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Solution

The fourth proportional to 194,940,139.80, 292,410,209.70 and 80,007,166.20 is: 120,010,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,139.80 : 292,410,209.70 = 80,007,166.20 : x
  2. Step 2: Convert to fraction form
    194,940,139.80/292,410,209.70 = 80,007,166.20/x
  3. Step 3: Cross multiply
    194,940,139.80x = 292,410,209.70 × 80,007,166.20
  4. Step 4: Simplify right side
    194,940,139.80x = 23,394,912,246,044,752
  5. Step 5: Solve for x
    x = 23,394,912,246,044,752/194,940,139.80
  6. Step 6: Final answer
    x = 120,010,749.30

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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.