Home / 141,384,103.60-211,926,856.20-80,669,095.60

Finding the Fourth Proportional to 141,384,103.60, 211,926,856.20 and 80,669,095.60

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Solution

The fourth proportional to 141,384,103.60, 211,926,856.20 and 80,669,095.60 is: 120,918,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,384,103.60 : 211,926,856.20 = 80,669,095.60 : x
  2. Step 2: Convert to fraction form
    141,384,103.60/211,926,856.20 = 80,669,095.60/x
  3. Step 3: Cross multiply
    141,384,103.60x = 211,926,856.20 × 80,669,095.60
  4. Step 4: Simplify right side
    141,384,103.60x = 17,095,947,823,005,250
  5. Step 5: Solve for x
    x = 17,095,947,823,005,250/141,384,103.60
  6. Step 6: Final answer
    x = 120,918,458.21

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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.