Home / 140,788,511.55-211,182,767.33-80,322,335.55

Finding the Fourth Proportional to 140,788,511.55, 211,182,767.33 and 80,322,335.55

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Solution

The fourth proportional to 140,788,511.55, 211,182,767.33 and 80,322,335.55 is: 120,483,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,788,511.55 : 211,182,767.33 = 80,322,335.55 : x
  2. Step 2: Convert to fraction form
    140,788,511.55/211,182,767.33 = 80,322,335.55/x
  3. Step 3: Cross multiply
    140,788,511.55x = 211,182,767.33 × 80,322,335.55
  4. Step 4: Simplify right side
    140,788,511.55x = 16,962,693,099,456,224
  5. Step 5: Solve for x
    x = 16,962,693,099,456,224/140,788,511.55
  6. Step 6: Final answer
    x = 120,483,503.33

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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.