Home / 213,504,239.98-320,270,411.81-55,941,112.45

Finding the Fourth Proportional to 213,504,239.98, 320,270,411.81 and 55,941,112.45

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Solution

The fourth proportional to 213,504,239.98, 320,270,411.81 and 55,941,112.45 is: 83,915,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,504,239.98 : 320,270,411.81 = 55,941,112.45 : x
  2. Step 2: Convert to fraction form
    213,504,239.98/320,270,411.81 = 55,941,112.45/x
  3. Step 3: Cross multiply
    213,504,239.98x = 320,270,411.81 × 55,941,112.45
  4. Step 4: Simplify right side
    213,504,239.98x = 17,916,283,121,471,020
  5. Step 5: Solve for x
    x = 17,916,283,121,471,020/213,504,239.98
  6. Step 6: Final answer
    x = 83,915,350.45

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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.