Home / 281,297,448.96-421,929,830.88-84,556,613.76

Finding the Fourth Proportional to 281,297,448.96, 421,929,830.88 and 84,556,613.76

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Solution

The fourth proportional to 281,297,448.96, 421,929,830.88 and 84,556,613.76 is: 126,830,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,297,448.96 : 421,929,830.88 = 84,556,613.76 : x
  2. Step 2: Convert to fraction form
    281,297,448.96/421,929,830.88 = 84,556,613.76/x
  3. Step 3: Cross multiply
    281,297,448.96x = 421,929,830.88 × 84,556,613.76
  4. Step 4: Simplify right side
    281,297,448.96x = 35,676,957,743,542,284
  5. Step 5: Solve for x
    x = 35,676,957,743,542,284/281,297,448.96
  6. Step 6: Final answer
    x = 126,830,008.15

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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.