Home / 213,504,238.98-320,270,410.31-55,941,111.45

Finding the Fourth Proportional to 213,504,238.98, 320,270,410.31 and 55,941,111.45

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Solution

The fourth proportional to 213,504,238.98, 320,270,410.31 and 55,941,111.45 is: 83,915,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,504,238.98 : 320,270,410.31 = 55,941,111.45 : x
  2. Step 2: Convert to fraction form
    213,504,238.98/320,270,410.31 = 55,941,111.45/x
  3. Step 3: Cross multiply
    213,504,238.98x = 320,270,410.31 × 55,941,111.45
  4. Step 4: Simplify right side
    213,504,238.98x = 17,916,282,717,009,234
  5. Step 5: Solve for x
    x = 17,916,282,717,009,234/213,504,238.98
  6. Step 6: Final answer
    x = 83,915,348.95

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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.