Home / 135,055,678.04-186,304,941.89-82,148,567.51

Finding the Fourth Proportional to 135,055,678.04, 186,304,941.89 and 82,148,567.51

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Solution

The fourth proportional to 135,055,678.04, 186,304,941.89 and 82,148,567.51 is: 113,321,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,055,678.04 : 186,304,941.89 = 82,148,567.51 : x
  2. Step 2: Convert to fraction form
    135,055,678.04/186,304,941.89 = 82,148,567.51/x
  3. Step 3: Cross multiply
    135,055,678.04x = 186,304,941.89 × 82,148,567.51
  4. Step 4: Simplify right side
    135,055,678.04x = 15,304,684,096,297,292
  5. Step 5: Solve for x
    x = 15,304,684,096,297,292/135,055,678.04
  6. Step 6: Final answer
    x = 113,321,293.25

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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.