Home / 42,963,251.20-64,388,889.60-17,383,321.60

Finding the Fourth Proportional to 42,963,251.20, 64,388,889.60 and 17,383,321.60

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Solution

The fourth proportional to 42,963,251.20, 64,388,889.60 and 17,383,321.60 is: 26,052,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,963,251.20 : 64,388,889.60 = 17,383,321.60 : x
  2. Step 2: Convert to fraction form
    42,963,251.20/64,388,889.60 = 17,383,321.60/x
  3. Step 3: Cross multiply
    42,963,251.20x = 64,388,889.60 × 17,383,321.60
  4. Step 4: Simplify right side
    42,963,251.20x = 1,119,292,775,383,695.50
  5. Step 5: Solve for x
    x = 1,119,292,775,383,695.50/42,963,251.20
  6. Step 6: Final answer
    x = 26,052,329.47

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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.