Home / 331,164,138.80-496,746,208.20-201,705,111.20

Finding the Fourth Proportional to 331,164,138.80, 496,746,208.20 and 201,705,111.20

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Solution

The fourth proportional to 331,164,138.80, 496,746,208.20 and 201,705,111.20 is: 302,557,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,164,138.80 : 496,746,208.20 = 201,705,111.20 : x
  2. Step 2: Convert to fraction form
    331,164,138.80/496,746,208.20 = 201,705,111.20/x
  3. Step 3: Cross multiply
    331,164,138.80x = 496,746,208.20 × 201,705,111.20
  4. Step 4: Simplify right side
    331,164,138.80x = 100,196,249,163,159,344
  5. Step 5: Solve for x
    x = 100,196,249,163,159,344/331,164,138.80
  6. Step 6: Final answer
    x = 302,557,666.80

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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.