Home / 70,758,936.12-106,138,998.54-19,644,940.92

Finding the Fourth Proportional to 70,758,936.12, 106,138,998.54 and 19,644,940.92

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Solution

The fourth proportional to 70,758,936.12, 106,138,998.54 and 19,644,940.92 is: 29,467,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,758,936.12 : 106,138,998.54 = 19,644,940.92 : x
  2. Step 2: Convert to fraction form
    70,758,936.12/106,138,998.54 = 19,644,940.92/x
  3. Step 3: Cross multiply
    70,758,936.12x = 106,138,998.54 × 19,644,940.92
  4. Step 4: Simplify right side
    70,758,936.12x = 2,085,094,355,626,266.50
  5. Step 5: Solve for x
    x = 2,085,094,355,626,266.50/70,758,936.12
  6. Step 6: Final answer
    x = 29,467,576.39

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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.