Home / 188,960,066.80-283,440,100.20-143,274,511.60

Finding the Fourth Proportional to 188,960,066.80, 283,440,100.20 and 143,274,511.60

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Solution

The fourth proportional to 188,960,066.80, 283,440,100.20 and 143,274,511.60 is: 214,911,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,960,066.80 : 283,440,100.20 = 143,274,511.60 : x
  2. Step 2: Convert to fraction form
    188,960,066.80/283,440,100.20 = 143,274,511.60/x
  3. Step 3: Cross multiply
    188,960,066.80x = 283,440,100.20 × 143,274,511.60
  4. Step 4: Simplify right side
    188,960,066.80x = 40,609,741,924,010,056
  5. Step 5: Solve for x
    x = 40,609,741,924,010,056/188,960,066.80
  6. Step 6: Final answer
    x = 214,911,767.40

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1.5x scale

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.