Home / 85,640,357.08-118,185,452.22-48,470,636.44

Finding the Fourth Proportional to 85,640,357.08, 118,185,452.22 and 48,470,636.44

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Solution

The fourth proportional to 85,640,357.08, 118,185,452.22 and 48,470,636.44 is: 66,890,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,640,357.08 : 118,185,452.22 = 48,470,636.44 : x
  2. Step 2: Convert to fraction form
    85,640,357.08/118,185,452.22 = 48,470,636.44/x
  3. Step 3: Cross multiply
    85,640,357.08x = 118,185,452.22 × 48,470,636.44
  4. Step 4: Simplify right side
    85,640,357.08x = 5,728,524,087,052,611
  5. Step 5: Solve for x
    x = 5,728,524,087,052,611/85,640,357.08
  6. Step 6: Final answer
    x = 66,890,474.10

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1.5x scale

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.