Home / 425,653,203.87-587,401,161.48-230,082,915.87

Finding the Fourth Proportional to 425,653,203.87, 587,401,161.48 and 230,082,915.87

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Solution

The fourth proportional to 425,653,203.87, 587,401,161.48 and 230,082,915.87 is: 317,514,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,653,203.87 : 587,401,161.48 = 230,082,915.87 : x
  2. Step 2: Convert to fraction form
    425,653,203.87/587,401,161.48 = 230,082,915.87/x
  3. Step 3: Cross multiply
    425,653,203.87x = 587,401,161.48 × 230,082,915.87
  4. Step 4: Simplify right side
    425,653,203.87x = 135,150,972,018,743,136
  5. Step 5: Solve for x
    x = 135,150,972,018,743,136/425,653,203.87
  6. Step 6: Final answer
    x = 317,514,283.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.