Home / 213,212,690.91-294,248,739.09-117,841,147.97

Finding the Fourth Proportional to 213,212,690.91, 294,248,739.09 and 117,841,147.97

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Solution

The fourth proportional to 213,212,690.91, 294,248,739.09 and 117,841,147.97 is: 162,629,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,212,690.91 : 294,248,739.09 = 117,841,147.97 : x
  2. Step 2: Convert to fraction form
    213,212,690.91/294,248,739.09 = 117,841,147.97/x
  3. Step 3: Cross multiply
    213,212,690.91x = 294,248,739.09 × 117,841,147.97
  4. Step 4: Simplify right side
    213,212,690.91x = 34,674,609,203,090,608
  5. Step 5: Solve for x
    x = 34,674,609,203,090,608/213,212,690.91
  6. Step 6: Final answer
    x = 162,629,199.30

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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.