Home / 65,911,120.40-90,957,181.92-36,541,696.88

Finding the Fourth Proportional to 65,911,120.40, 90,957,181.92 and 36,541,696.88

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Solution

The fourth proportional to 65,911,120.40, 90,957,181.92 and 36,541,696.88 is: 50,427,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911,120.40 : 90,957,181.92 = 36,541,696.88 : x
  2. Step 2: Convert to fraction form
    65,911,120.40/90,957,181.92 = 36,541,696.88/x
  3. Step 3: Cross multiply
    65,911,120.40x = 90,957,181.92 × 36,541,696.88
  4. Step 4: Simplify right side
    65,911,120.40x = 3,323,729,770,779,656.50
  5. Step 5: Solve for x
    x = 3,323,729,770,779,656.50/65,911,120.40
  6. Step 6: Final answer
    x = 50,427,450.64

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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.