Home / 269,136,233.40-403,704,350.10-221,306,543.40

Finding the Fourth Proportional to 269,136,233.40, 403,704,350.10 and 221,306,543.40

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Solution

The fourth proportional to 269,136,233.40, 403,704,350.10 and 221,306,543.40 is: 331,959,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,136,233.40 : 403,704,350.10 = 221,306,543.40 : x
  2. Step 2: Convert to fraction form
    269,136,233.40/403,704,350.10 = 221,306,543.40/x
  3. Step 3: Cross multiply
    269,136,233.40x = 403,704,350.10 × 221,306,543.40
  4. Step 4: Simplify right side
    269,136,233.40x = 89,342,414,276,174,448
  5. Step 5: Solve for x
    x = 89,342,414,276,174,448/269,136,233.40
  6. Step 6: Final answer
    x = 331,959,815.10

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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.