Home / 123,859,138.84-185,684,782.02-54,760,786.36

Finding the Fourth Proportional to 123,859,138.84, 185,684,782.02 and 54,760,786.36

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Solution

The fourth proportional to 123,859,138.84, 185,684,782.02 and 54,760,786.36 is: 82,095,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,859,138.84 : 185,684,782.02 = 54,760,786.36 : x
  2. Step 2: Convert to fraction form
    123,859,138.84/185,684,782.02 = 54,760,786.36/x
  3. Step 3: Cross multiply
    123,859,138.84x = 185,684,782.02 × 54,760,786.36
  4. Step 4: Simplify right side
    123,859,138.84x = 10,168,244,678,500,390
  5. Step 5: Solve for x
    x = 10,168,244,678,500,390/123,859,138.84
  6. Step 6: Final answer
    x = 82,095,231.52

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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.