Home / 118,858,334.82-163,955,010.42-74,735,478.60

Finding the Fourth Proportional to 118,858,334.82, 163,955,010.42 and 74,735,478.60

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Solution

The fourth proportional to 118,858,334.82, 163,955,010.42 and 74,735,478.60 is: 103,091,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858,334.82 : 163,955,010.42 = 74,735,478.60 : x
  2. Step 2: Convert to fraction form
    118,858,334.82/163,955,010.42 = 74,735,478.60/x
  3. Step 3: Cross multiply
    118,858,334.82x = 163,955,010.42 × 74,735,478.60
  4. Step 4: Simplify right side
    118,858,334.82x = 12,253,256,172,606,686
  5. Step 5: Solve for x
    x = 12,253,256,172,606,686/118,858,334.82
  6. Step 6: Final answer
    x = 103,091,265.67

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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.