Home / 309,118,579.12-463,297,991.14-142,897,241.66

Finding the Fourth Proportional to 309,118,579.12, 463,297,991.14 and 142,897,241.66

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Solution

The fourth proportional to 309,118,579.12, 463,297,991.14 and 142,897,241.66 is: 214,170,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,118,579.12 : 463,297,991.14 = 142,897,241.66 : x
  2. Step 2: Convert to fraction form
    309,118,579.12/463,297,991.14 = 142,897,241.66/x
  3. Step 3: Cross multiply
    309,118,579.12x = 463,297,991.14 × 142,897,241.66
  4. Step 4: Simplify right side
    309,118,579.12x = 66,204,005,000,114,888
  5. Step 5: Solve for x
    x = 66,204,005,000,114,888/309,118,579.12
  6. Step 6: Final answer
    x = 214,170,255.27

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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.