Home / 206,044,848.13-309,115,077.62-67,865,496.50

Finding the Fourth Proportional to 206,044,848.13, 309,115,077.62 and 67,865,496.50

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Solution

The fourth proportional to 206,044,848.13, 309,115,077.62 and 67,865,496.50 is: 101,813,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,044,848.13 : 309,115,077.62 = 67,865,496.50 : x
  2. Step 2: Convert to fraction form
    206,044,848.13/309,115,077.62 = 67,865,496.50/x
  3. Step 3: Cross multiply
    206,044,848.13x = 309,115,077.62 × 67,865,496.50
  4. Step 4: Simplify right side
    206,044,848.13x = 20,978,248,217,205,224
  5. Step 5: Solve for x
    x = 20,978,248,217,205,224/206,044,848.13
  6. Step 6: Final answer
    x = 101,813,990.54

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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.