Home / 42,017,467.30-62,991,208.95-17,775,009.70

Finding the Fourth Proportional to 42,017,467.30, 62,991,208.95 and 17,775,009.70

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Solution

The fourth proportional to 42,017,467.30, 62,991,208.95 and 17,775,009.70 is: 26,647,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017,467.30 : 62,991,208.95 = 17,775,009.70 : x
  2. Step 2: Convert to fraction form
    42,017,467.30/62,991,208.95 = 17,775,009.70/x
  3. Step 3: Cross multiply
    42,017,467.30x = 62,991,208.95 × 17,775,009.70
  4. Step 4: Simplify right side
    42,017,467.30x = 1,119,669,350,100,976.88
  5. Step 5: Solve for x
    x = 1,119,669,350,100,976.88/42,017,467.30
  6. Step 6: Final answer
    x = 26,647,711.58

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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.