Home / 200,315,958.47-276,432,991.55-112,213,109.07

Finding the Fourth Proportional to 200,315,958.47, 276,432,991.55 and 112,213,109.07

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Solution

The fourth proportional to 200,315,958.47, 276,432,991.55 and 112,213,109.07 is: 154,852,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,315,958.47 : 276,432,991.55 = 112,213,109.07 : x
  2. Step 2: Convert to fraction form
    200,315,958.47/276,432,991.55 = 112,213,109.07/x
  3. Step 3: Cross multiply
    200,315,958.47x = 276,432,991.55 × 112,213,109.07
  4. Step 4: Simplify right side
    200,315,958.47x = 31,019,405,431,627,072
  5. Step 5: Solve for x
    x = 31,019,405,431,627,072/200,315,958.47
  6. Step 6: Final answer
    x = 154,852,392.54

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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.