Home / 210,806,183,055.90-290,912,532,617.10-120,585,636,680.04

Finding the Fourth Proportional to 210,806,183,055.90, 290,912,532,617.10 and 120,585,636,680.04

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Solution

The fourth proportional to 210,806,183,055.90, 290,912,532,617.10 and 120,585,636,680.04 is: 166,408,178,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,806,183,055.90 : 290,912,532,617.10 = 120,585,636,680.04 : x
  2. Step 2: Convert to fraction form
    210,806,183,055.90/290,912,532,617.10 = 120,585,636,680.04/x
  3. Step 3: Cross multiply
    210,806,183,055.90x = 290,912,532,617.10 × 120,585,636,680.04
  4. Step 4: Simplify right side
    210,806,183,055.90x = 35,079,872,963,835,903,082,496
  5. Step 5: Solve for x
    x = 35,079,872,963,835,903,082,496/210,806,183,055.90
  6. Step 6: Final answer
    x = 166,408,178,618.43

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1.5x scale

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.