Home / 194,940,021.80-292,410,032.70-80,007,048.20

Finding the Fourth Proportional to 194,940,021.80, 292,410,032.70 and 80,007,048.20

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Solution

The fourth proportional to 194,940,021.80, 292,410,032.70 and 80,007,048.20 is: 120,010,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,940,021.80 : 292,410,032.70 = 80,007,048.20 : x
  2. Step 2: Convert to fraction form
    194,940,021.80/292,410,032.70 = 80,007,048.20/x
  3. Step 3: Cross multiply
    194,940,021.80x = 292,410,032.70 × 80,007,048.20
  4. Step 4: Simplify right side
    194,940,021.80x = 23,394,863,580,392,476
  5. Step 5: Solve for x
    x = 23,394,863,580,392,476/194,940,021.80
  6. Step 6: Final answer
    x = 120,010,572.30

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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.