Home / 208,845,496.55-288,189,915.20-120,745,172.79

Finding the Fourth Proportional to 208,845,496.55, 288,189,915.20 and 120,745,172.79

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Solution

The fourth proportional to 208,845,496.55, 288,189,915.20 and 120,745,172.79 is: 166,618,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845,496.55 : 288,189,915.20 = 120,745,172.79 : x
  2. Step 2: Convert to fraction form
    208,845,496.55/288,189,915.20 = 120,745,172.79/x
  3. Step 3: Cross multiply
    208,845,496.55x = 288,189,915.20 × 120,745,172.79
  4. Step 4: Simplify right side
    208,845,496.55x = 34,797,541,106,555,724
  5. Step 5: Solve for x
    x = 34,797,541,106,555,724/208,845,496.55
  6. Step 6: Final answer
    x = 166,618,584.95

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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.