Home / 209,952,012.30-314,928,018.45-189,796,620.30

Finding the Fourth Proportional to 209,952,012.30, 314,928,018.45 and 189,796,620.30

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Solution

The fourth proportional to 209,952,012.30, 314,928,018.45 and 189,796,620.30 is: 284,694,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,012.30 : 314,928,018.45 = 189,796,620.30 : x
  2. Step 2: Convert to fraction form
    209,952,012.30/314,928,018.45 = 189,796,620.30/x
  3. Step 3: Cross multiply
    209,952,012.30x = 314,928,018.45 × 189,796,620.30
  4. Step 4: Simplify right side
    209,952,012.30x = 59,772,273,539,586,048
  5. Step 5: Solve for x
    x = 59,772,273,539,586,048/209,952,012.30
  6. Step 6: Final answer
    x = 284,694,930.45

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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.