Home / 213,212,690.41-294,248,738.40-117,841,147.47

Finding the Fourth Proportional to 213,212,690.41, 294,248,738.40 and 117,841,147.47

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Solution

The fourth proportional to 213,212,690.41, 294,248,738.40 and 117,841,147.47 is: 162,629,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,212,690.41 : 294,248,738.40 = 117,841,147.47 : x
  2. Step 2: Convert to fraction form
    213,212,690.41/294,248,738.40 = 117,841,147.47/x
  3. Step 3: Cross multiply
    213,212,690.41x = 294,248,738.40 × 117,841,147.47
  4. Step 4: Simplify right side
    213,212,690.41x = 34,674,608,974,655,848
  5. Step 5: Solve for x
    x = 34,674,608,974,655,848/213,212,690.41
  6. Step 6: Final answer
    x = 162,629,198.61

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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.