Home / 282,419,188.80-388,837,531.68-240,999,858.24

Finding the Fourth Proportional to 282,419,188.80, 388,837,531.68 and 240,999,858.24

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Solution

The fourth proportional to 282,419,188.80, 388,837,531.68 and 240,999,858.24 is: 331,810,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,419,188.80 : 388,837,531.68 = 240,999,858.24 : x
  2. Step 2: Convert to fraction form
    282,419,188.80/388,837,531.68 = 240,999,858.24/x
  3. Step 3: Cross multiply
    282,419,188.80x = 388,837,531.68 × 240,999,858.24
  4. Step 4: Simplify right side
    282,419,188.80x = 93,709,790,013,271,520
  5. Step 5: Solve for x
    x = 93,709,790,013,271,520/282,419,188.80
  6. Step 6: Final answer
    x = 331,810,987.81

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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.