Home / 215,815,410.51-297,825,055.92-116,695,921.11

Finding the Fourth Proportional to 215,815,410.51, 297,825,055.92 and 116,695,921.11

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Solution

The fourth proportional to 215,815,410.51, 297,825,055.92 and 116,695,921.11 is: 161,040,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,815,410.51 : 297,825,055.92 = 116,695,921.11 : x
  2. Step 2: Convert to fraction form
    215,815,410.51/297,825,055.92 = 116,695,921.11/x
  3. Step 3: Cross multiply
    215,815,410.51x = 297,825,055.92 × 116,695,921.11
  4. Step 4: Simplify right side
    215,815,410.51x = 34,754,969,230,221,660
  5. Step 5: Solve for x
    x = 34,754,969,230,221,660/215,815,410.51
  6. Step 6: Final answer
    x = 161,040,257.26

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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.