Home / 223,539,850.40-335,309,775.60-212,958,269.60

Finding the Fourth Proportional to 223,539,850.40, 335,309,775.60 and 212,958,269.60

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Solution

The fourth proportional to 223,539,850.40, 335,309,775.60 and 212,958,269.60 is: 319,437,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,539,850.40 : 335,309,775.60 = 212,958,269.60 : x
  2. Step 2: Convert to fraction form
    223,539,850.40/335,309,775.60 = 212,958,269.60/x
  3. Step 3: Cross multiply
    223,539,850.40x = 335,309,775.60 × 212,958,269.60
  4. Step 4: Simplify right side
    223,539,850.40x = 71,406,989,591,740,304
  5. Step 5: Solve for x
    x = 71,406,989,591,740,304/223,539,850.40
  6. Step 6: Final answer
    x = 319,437,404.40

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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.