Home / 261,974,144.43-361,517,985.81-144,496,951.65

Finding the Fourth Proportional to 261,974,144.43, 361,517,985.81 and 144,496,951.65

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Solution

The fourth proportional to 261,974,144.43, 361,517,985.81 and 144,496,951.65 is: 199,402,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,974,144.43 : 361,517,985.81 = 144,496,951.65 : x
  2. Step 2: Convert to fraction form
    261,974,144.43/361,517,985.81 = 144,496,951.65/x
  3. Step 3: Cross multiply
    261,974,144.43x = 361,517,985.81 × 144,496,951.65
  4. Step 4: Simplify right side
    261,974,144.43x = 52,238,246,916,192,960
  5. Step 5: Solve for x
    x = 52,238,246,916,192,960/261,974,144.43
  6. Step 6: Final answer
    x = 199,402,299.91

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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.