Home / 100,405,059.90-150,607,589.85-69,794,058.30

Finding the Fourth Proportional to 100,405,059.90, 150,607,589.85 and 69,794,058.30

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Solution

The fourth proportional to 100,405,059.90, 150,607,589.85 and 69,794,058.30 is: 104,691,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405,059.90 : 150,607,589.85 = 69,794,058.30 : x
  2. Step 2: Convert to fraction form
    100,405,059.90/150,607,589.85 = 69,794,058.30/x
  3. Step 3: Cross multiply
    100,405,059.90x = 150,607,589.85 × 69,794,058.30
  4. Step 4: Simplify right side
    100,405,059.90x = 10,511,514,906,413,388
  5. Step 5: Solve for x
    x = 10,511,514,906,413,388/100,405,059.90
  6. Step 6: Final answer
    x = 104,691,087.45

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1.5x scale

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.