Home / 154,557,293.52-213,294,180.16-84,945,141.84

Finding the Fourth Proportional to 154,557,293.52, 213,294,180.16 and 84,945,141.84

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Solution

The fourth proportional to 154,557,293.52, 213,294,180.16 and 84,945,141.84 is: 117,227,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,293.52 : 213,294,180.16 = 84,945,141.84 : x
  2. Step 2: Convert to fraction form
    154,557,293.52/213,294,180.16 = 84,945,141.84/x
  3. Step 3: Cross multiply
    154,557,293.52x = 213,294,180.16 × 84,945,141.84
  4. Step 4: Simplify right side
    154,557,293.52x = 18,118,304,387,337,716
  5. Step 5: Solve for x
    x = 18,118,304,387,337,716/154,557,293.52
  6. Step 6: Final answer
    x = 117,227,107.01

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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.