Home / 223,539,878.40-335,309,817.60-212,958,297.60

Finding the Fourth Proportional to 223,539,878.40, 335,309,817.60 and 212,958,297.60

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Solution

The fourth proportional to 223,539,878.40, 335,309,817.60 and 212,958,297.60 is: 319,437,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,539,878.40 : 335,309,817.60 = 212,958,297.60 : x
  2. Step 2: Convert to fraction form
    223,539,878.40/335,309,817.60 = 212,958,297.60/x
  3. Step 3: Cross multiply
    223,539,878.40x = 335,309,817.60 × 212,958,297.60
  4. Step 4: Simplify right side
    223,539,878.40x = 71,407,007,924,662,520
  5. Step 5: Solve for x
    x = 71,407,007,924,662,520/223,539,878.40
  6. Step 6: Final answer
    x = 319,437,446.40

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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.