Home / 76,858,455.22-105,954,352.05-54,793,647.75

Finding the Fourth Proportional to 76,858,455.22, 105,954,352.05 and 54,793,647.75

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Solution

The fourth proportional to 76,858,455.22, 105,954,352.05 and 54,793,647.75 is: 75,536,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,858,455.22 : 105,954,352.05 = 54,793,647.75 : x
  2. Step 2: Convert to fraction form
    76,858,455.22/105,954,352.05 = 54,793,647.75/x
  3. Step 3: Cross multiply
    76,858,455.22x = 105,954,352.05 × 54,793,647.75
  4. Step 4: Simplify right side
    76,858,455.22x = 5,805,625,444,409,995
  5. Step 5: Solve for x
    x = 5,805,625,444,409,995/76,858,455.22
  6. Step 6: Final answer
    x = 75,536,587.72

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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.