Home / 54,229,409.16-81,344,048.46-13,839,897.48

Finding the Fourth Proportional to 54,229,409.16, 81,344,048.46 and 13,839,897.48

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Solution

The fourth proportional to 54,229,409.16, 81,344,048.46 and 13,839,897.48 is: 20,759,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229,409.16 : 81,344,048.46 = 13,839,897.48 : x
  2. Step 2: Convert to fraction form
    54,229,409.16/81,344,048.46 = 13,839,897.48/x
  3. Step 3: Cross multiply
    54,229,409.16x = 81,344,048.46 × 13,839,897.48
  4. Step 4: Simplify right side
    54,229,409.16x = 1,125,793,291,294,551.88
  5. Step 5: Solve for x
    x = 1,125,793,291,294,551.88/54,229,409.16
  6. Step 6: Final answer
    x = 20,759,829.56

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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.