Home / 65,809,290.54-90,815,708.66-36,439,992.55

Finding the Fourth Proportional to 65,809,290.54, 90,815,708.66 and 36,439,992.55

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Solution

The fourth proportional to 65,809,290.54, 90,815,708.66 and 36,439,992.55 is: 50,286,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,809,290.54 : 90,815,708.66 = 36,439,992.55 : x
  2. Step 2: Convert to fraction form
    65,809,290.54/90,815,708.66 = 36,439,992.55/x
  3. Step 3: Cross multiply
    65,809,290.54x = 90,815,708.66 × 36,439,992.55
  4. Step 4: Simplify right side
    65,809,290.54x = 3,309,323,746,924,690.50
  5. Step 5: Solve for x
    x = 3,309,323,746,924,690.50/65,809,290.54
  6. Step 6: Final answer
    x = 50,286,573.82

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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.