Home / 210,806,183,035.66-290,912,532,589.21-120,585,636,659.79

Finding the Fourth Proportional to 210,806,183,035.66, 290,912,532,589.21 and 120,585,636,659.79

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Solution

The fourth proportional to 210,806,183,035.66, 290,912,532,589.21 and 120,585,636,659.79 is: 166,408,178,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,806,183,035.66 : 290,912,532,589.21 = 120,585,636,659.79 : x
  2. Step 2: Convert to fraction form
    210,806,183,035.66/290,912,532,589.21 = 120,585,636,659.79/x
  3. Step 3: Cross multiply
    210,806,183,035.66x = 290,912,532,589.21 × 120,585,636,659.79
  4. Step 4: Simplify right side
    210,806,183,035.66x = 35,079,872,954,581,796,257,792
  5. Step 5: Solve for x
    x = 35,079,872,954,581,796,257,792/210,806,183,035.66
  6. Step 6: Final answer
    x = 166,408,178,590.51

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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.