Home / 140,093,727.90-209,573,721.45-123,087,615.90

Finding the Fourth Proportional to 140,093,727.90, 209,573,721.45 and 123,087,615.90

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Solution

The fourth proportional to 140,093,727.90, 209,573,721.45 and 123,087,615.90 is: 184,133,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093,727.90 : 209,573,721.45 = 123,087,615.90 : x
  2. Step 2: Convert to fraction form
    140,093,727.90/209,573,721.45 = 123,087,615.90/x
  3. Step 3: Cross multiply
    140,093,727.90x = 209,573,721.45 × 123,087,615.90
  4. Step 4: Simplify right side
    140,093,727.90x = 25,795,929,728,571,192
  5. Step 5: Solve for x
    x = 25,795,929,728,571,192/140,093,727.90
  6. Step 6: Final answer
    x = 184,133,366.39

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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.