Home / 158,660,110.80-237,990,166.20-90,509,691.60

Finding the Fourth Proportional to 158,660,110.80, 237,990,166.20 and 90,509,691.60

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Solution

The fourth proportional to 158,660,110.80, 237,990,166.20 and 90,509,691.60 is: 135,764,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,660,110.80 : 237,990,166.20 = 90,509,691.60 : x
  2. Step 2: Convert to fraction form
    158,660,110.80/237,990,166.20 = 90,509,691.60/x
  3. Step 3: Cross multiply
    158,660,110.80x = 237,990,166.20 × 90,509,691.60
  4. Step 4: Simplify right side
    158,660,110.80x = 21,540,416,546,594,740
  5. Step 5: Solve for x
    x = 21,540,416,546,594,740/158,660,110.80
  6. Step 6: Final answer
    x = 135,764,537.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.