Home / 217,241,261.82-299,790,859.59-118,122,045.48

Finding the Fourth Proportional to 217,241,261.82, 299,790,859.59 and 118,122,045.48

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Solution

The fourth proportional to 217,241,261.82, 299,790,859.59 and 118,122,045.48 is: 163,007,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,241,261.82 : 299,790,859.59 = 118,122,045.48 : x
  2. Step 2: Convert to fraction form
    217,241,261.82/299,790,859.59 = 118,122,045.48/x
  3. Step 3: Cross multiply
    217,241,261.82x = 299,790,859.59 × 118,122,045.48
  4. Step 4: Simplify right side
    217,241,261.82x = 35,411,909,550,978,272
  5. Step 5: Solve for x
    x = 35,411,909,550,978,272/217,241,261.82
  6. Step 6: Final answer
    x = 163,007,290.85

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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.