Home / 91,149,454.31-125,787,087.41-53,981,848.58

Finding the Fourth Proportional to 91,149,454.31, 125,787,087.41 and 53,981,848.58

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Solution

The fourth proportional to 91,149,454.31, 125,787,087.41 and 53,981,848.58 is: 74,495,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149,454.31 : 125,787,087.41 = 53,981,848.58 : x
  2. Step 2: Convert to fraction form
    91,149,454.31/125,787,087.41 = 53,981,848.58/x
  3. Step 3: Cross multiply
    91,149,454.31x = 125,787,087.41 × 53,981,848.58
  4. Step 4: Simplify right side
    91,149,454.31x = 6,790,219,504,987,000
  5. Step 5: Solve for x
    x = 6,790,219,504,987,000/91,149,454.31
  6. Step 6: Final answer
    x = 74,495,448.79

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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.