Home / 140,205,460.26-210,120,198.72-109,118,652.90

Finding the Fourth Proportional to 140,205,460.26, 210,120,198.72 and 109,118,652.90

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Solution

The fourth proportional to 140,205,460.26, 210,120,198.72 and 109,118,652.90 is: 163,531,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,460.26 : 210,120,198.72 = 109,118,652.90 : x
  2. Step 2: Convert to fraction form
    140,205,460.26/210,120,198.72 = 109,118,652.90/x
  3. Step 3: Cross multiply
    140,205,460.26x = 210,120,198.72 × 109,118,652.90
  4. Step 4: Simplify right side
    140,205,460.26x = 22,928,033,031,406,704
  5. Step 5: Solve for x
    x = 22,928,033,031,406,704/140,205,460.26
  6. Step 6: Final answer
    x = 163,531,669.80

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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.