Home / 170,470,452.65-235,313,198.89-111,736,902.78

Finding the Fourth Proportional to 170,470,452.65, 235,313,198.89 and 111,736,902.78

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Solution

The fourth proportional to 170,470,452.65, 235,313,198.89 and 111,736,902.78 is: 154,238,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,470,452.65 : 235,313,198.89 = 111,736,902.78 : x
  2. Step 2: Convert to fraction form
    170,470,452.65/235,313,198.89 = 111,736,902.78/x
  3. Step 3: Cross multiply
    170,470,452.65x = 235,313,198.89 × 111,736,902.78
  4. Step 4: Simplify right side
    170,470,452.65x = 26,293,168,026,943,392
  5. Step 5: Solve for x
    x = 26,293,168,026,943,392/170,470,452.65
  6. Step 6: Final answer
    x = 154,238,858.52

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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.