Home / 270,418,433.72-405,627,019.87-177,631,100.49

Finding the Fourth Proportional to 270,418,433.72, 405,627,019.87 and 177,631,100.49

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Solution

The fourth proportional to 270,418,433.72, 405,627,019.87 and 177,631,100.49 is: 266,446,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,418,433.72 : 405,627,019.87 = 177,631,100.49 : x
  2. Step 2: Convert to fraction form
    270,418,433.72/405,627,019.87 = 177,631,100.49/x
  3. Step 3: Cross multiply
    270,418,433.72x = 405,627,019.87 × 177,631,100.49
  4. Step 4: Simplify right side
    270,418,433.72x = 72,051,973,927,987,200
  5. Step 5: Solve for x
    x = 72,051,973,927,987,200/270,418,433.72
  6. Step 6: Final answer
    x = 266,446,236.44

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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.