Home / 43,483,230.78-65,242,725.21-19,209,346.62

Finding the Fourth Proportional to 43,483,230.78, 65,242,725.21 and 19,209,346.62

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Solution

The fourth proportional to 43,483,230.78, 65,242,725.21 and 19,209,346.62 is: 28,821,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,483,230.78 : 65,242,725.21 = 19,209,346.62 : x
  2. Step 2: Convert to fraction form
    43,483,230.78/65,242,725.21 = 19,209,346.62/x
  3. Step 3: Cross multiply
    43,483,230.78x = 65,242,725.21 × 19,209,346.62
  4. Step 4: Simplify right side
    43,483,230.78x = 1,253,270,122,992,302.50
  5. Step 5: Solve for x
    x = 1,253,270,122,992,302.50/43,483,230.78
  6. Step 6: Final answer
    x = 28,821,918.25

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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.