Home / 140,961,922.20-211,442,883.30-102,698,170.20

Finding the Fourth Proportional to 140,961,922.20, 211,442,883.30 and 102,698,170.20

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Solution

The fourth proportional to 140,961,922.20, 211,442,883.30 and 102,698,170.20 is: 154,047,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,961,922.20 : 211,442,883.30 = 102,698,170.20 : x
  2. Step 2: Convert to fraction form
    140,961,922.20/211,442,883.30 = 102,698,170.20/x
  3. Step 3: Cross multiply
    140,961,922.20x = 211,442,883.30 × 102,698,170.20
  4. Step 4: Simplify right side
    140,961,922.20x = 21,714,797,216,722,140
  5. Step 5: Solve for x
    x = 21,714,797,216,722,140/140,961,922.20
  6. Step 6: Final answer
    x = 154,047,255.30

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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.