Home / 281,190,070.80-421,848,091.80-108,651,517.20

Finding the Fourth Proportional to 281,190,070.80, 421,848,091.80 and 108,651,517.20

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Solution

The fourth proportional to 281,190,070.80, 421,848,091.80 and 108,651,517.20 is: 163,001,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,190,070.80 : 421,848,091.80 = 108,651,517.20 : x
  2. Step 2: Convert to fraction form
    281,190,070.80/421,848,091.80 = 108,651,517.20/x
  3. Step 3: Cross multiply
    281,190,070.80x = 421,848,091.80 × 108,651,517.20
  4. Step 4: Simplify right side
    281,190,070.80x = 45,834,435,201,994,880
  5. Step 5: Solve for x
    x = 45,834,435,201,994,880/281,190,070.80
  6. Step 6: Final answer
    x = 163,001,613.36

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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.