Home / 158,976,015.40-238,471,896.30-82,448,511.40

Finding the Fourth Proportional to 158,976,015.40, 238,471,896.30 and 82,448,511.40

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Solution

The fourth proportional to 158,976,015.40, 238,471,896.30 and 82,448,511.40 is: 123,676,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,015.40 : 238,471,896.30 = 82,448,511.40 : x
  2. Step 2: Convert to fraction form
    158,976,015.40/238,471,896.30 = 82,448,511.40/x
  3. Step 3: Cross multiply
    158,976,015.40x = 238,471,896.30 × 82,448,511.40
  4. Step 4: Simplify right side
    158,976,015.40x = 19,661,652,860,670,172
  5. Step 5: Solve for x
    x = 19,661,652,860,670,172/158,976,015.40
  6. Step 6: Final answer
    x = 123,676,850.32

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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.