Home / 220,361,992,821.20-330,053,213,206.20-190,975,431,285.20

Finding the Fourth Proportional to 220,361,992,821.20, 330,053,213,206.20 and 190,975,431,285.20

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Solution

The fourth proportional to 220,361,992,821.20, 330,053,213,206.20 and 190,975,431,285.20 is: 286,038,685,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,361,992,821.20 : 330,053,213,206.20 = 190,975,431,285.20 : x
  2. Step 2: Convert to fraction form
    220,361,992,821.20/330,053,213,206.20 = 190,975,431,285.20/x
  3. Step 3: Cross multiply
    220,361,992,821.20x = 330,053,213,206.20 × 190,975,431,285.20
  4. Step 4: Simplify right side
    220,361,992,821.20x = 63,032,054,739,120,120,922,112
  5. Step 5: Solve for x
    x = 63,032,054,739,120,120,922,112/220,361,992,821.20
  6. Step 6: Final answer
    x = 286,038,685,401.91

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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.