Home / 100,405,080.90-150,607,621.35-69,794,079.30

Finding the Fourth Proportional to 100,405,080.90, 150,607,621.35 and 69,794,079.30

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Solution

The fourth proportional to 100,405,080.90, 150,607,621.35 and 69,794,079.30 is: 104,691,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405,080.90 : 150,607,621.35 = 69,794,079.30 : x
  2. Step 2: Convert to fraction form
    100,405,080.90/150,607,621.35 = 69,794,079.30/x
  3. Step 3: Cross multiply
    100,405,080.90x = 150,607,621.35 × 69,794,079.30
  4. Step 4: Simplify right side
    100,405,080.90x = 10,511,520,267,686,272
  5. Step 5: Solve for x
    x = 10,511,520,267,686,272/100,405,080.90
  6. Step 6: Final answer
    x = 104,691,118.95

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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.