Home / 215,973,067.12-298,042,827.99-116,853,814.53

Finding the Fourth Proportional to 215,973,067.12, 298,042,827.99 and 116,853,814.53

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Solution

The fourth proportional to 215,973,067.12, 298,042,827.99 and 116,853,814.53 is: 161,258,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,973,067.12 : 298,042,827.99 = 116,853,814.53 : x
  2. Step 2: Convert to fraction form
    215,973,067.12/298,042,827.99 = 116,853,814.53/x
  3. Step 3: Cross multiply
    215,973,067.12x = 298,042,827.99 × 116,853,814.53
  4. Step 4: Simplify right side
    215,973,067.12x = 34,827,441,344,603,232
  5. Step 5: Solve for x
    x = 34,827,441,344,603,232/215,973,067.12
  6. Step 6: Final answer
    x = 161,258,261.55

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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.