Home / 309,612,601.34-427,169,185.26-175,628,452.04

Finding the Fourth Proportional to 309,612,601.34, 427,169,185.26 and 175,628,452.04

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Solution

The fourth proportional to 309,612,601.34, 427,169,185.26 and 175,628,452.04 is: 242,312,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,612,601.34 : 427,169,185.26 = 175,628,452.04 : x
  2. Step 2: Convert to fraction form
    309,612,601.34/427,169,185.26 = 175,628,452.04/x
  3. Step 3: Cross multiply
    309,612,601.34x = 427,169,185.26 × 175,628,452.04
  4. Step 4: Simplify right side
    309,612,601.34x = 75,023,062,766,401,776
  5. Step 5: Solve for x
    x = 75,023,062,766,401,776/309,612,601.34
  6. Step 6: Final answer
    x = 242,312,691.54

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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.