Home / 200,693,756.75-276,959,273.10-112,589,645.56

Finding the Fourth Proportional to 200,693,756.75, 276,959,273.10 and 112,589,645.56

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Solution

The fourth proportional to 200,693,756.75, 276,959,273.10 and 112,589,645.56 is: 155,374,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,693,756.75 : 276,959,273.10 = 112,589,645.56 : x
  2. Step 2: Convert to fraction form
    200,693,756.75/276,959,273.10 = 112,589,645.56/x
  3. Step 3: Cross multiply
    200,693,756.75x = 276,959,273.10 × 112,589,645.56
  4. Step 4: Simplify right side
    200,693,756.75x = 31,182,746,392,931,888
  5. Step 5: Solve for x
    x = 31,182,746,392,931,888/200,693,756.75
  6. Step 6: Final answer
    x = 155,374,770.48

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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.