Home / 135,055,677.04-186,304,940.51-82,148,566.51

Finding the Fourth Proportional to 135,055,677.04, 186,304,940.51 and 82,148,566.51

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Solution

The fourth proportional to 135,055,677.04, 186,304,940.51 and 82,148,566.51 is: 113,321,291.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,055,677.04 : 186,304,940.51 = 82,148,566.51 : x
  2. Step 2: Convert to fraction form
    135,055,677.04/186,304,940.51 = 82,148,566.51/x
  3. Step 3: Cross multiply
    135,055,677.04x = 186,304,940.51 × 82,148,566.51
  4. Step 4: Simplify right side
    135,055,677.04x = 15,304,683,796,627,328
  5. Step 5: Solve for x
    x = 15,304,683,796,627,328/135,055,677.04
  6. Step 6: Final answer
    x = 113,321,291.87

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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.