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Finding the Fourth Proportional to 308,804,969.88, 463,222,351.94 and 101,538,791.40

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Solution

The fourth proportional to 308,804,969.88, 463,222,351.94 and 101,538,791.40 is: 152,313,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,804,969.88 : 463,222,351.94 = 101,538,791.40 : x
  2. Step 2: Convert to fraction form
    308,804,969.88/463,222,351.94 = 101,538,791.40/x
  3. Step 3: Cross multiply
    308,804,969.88x = 463,222,351.94 × 101,538,791.40
  4. Step 4: Simplify right side
    308,804,969.88x = 47,035,037,765,453,048
  5. Step 5: Solve for x
    x = 47,035,037,765,453,048/308,804,969.88
  6. Step 6: Final answer
    x = 152,313,085.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.