Home / 165,858,915.18-228,968,166.71-103,155,224.95

Finding the Fourth Proportional to 165,858,915.18, 228,968,166.71 and 103,155,224.95

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Solution

The fourth proportional to 165,858,915.18, 228,968,166.71 and 103,155,224.95 is: 142,405,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,858,915.18 : 228,968,166.71 = 103,155,224.95 : x
  2. Step 2: Convert to fraction form
    165,858,915.18/228,968,166.71 = 103,155,224.95/x
  3. Step 3: Cross multiply
    165,858,915.18x = 228,968,166.71 × 103,155,224.95
  4. Step 4: Simplify right side
    165,858,915.18x = 23,619,262,743,322,484
  5. Step 5: Solve for x
    x = 23,619,262,743,322,484/165,858,915.18
  6. Step 6: Final answer
    x = 142,405,747.18

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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.