Home / 209,952,007.30-314,928,010.95-189,796,615.30

Finding the Fourth Proportional to 209,952,007.30, 314,928,010.95 and 189,796,615.30

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Solution

The fourth proportional to 209,952,007.30, 314,928,010.95 and 189,796,615.30 is: 284,694,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,007.30 : 314,928,010.95 = 189,796,615.30 : x
  2. Step 2: Convert to fraction form
    209,952,007.30/314,928,010.95 = 189,796,615.30/x
  3. Step 3: Cross multiply
    209,952,007.30x = 314,928,010.95 × 189,796,615.30
  4. Step 4: Simplify right side
    209,952,007.30x = 59,772,270,541,471,336
  5. Step 5: Solve for x
    x = 59,772,270,541,471,336/209,952,007.30
  6. Step 6: Final answer
    x = 284,694,922.95

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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.