Home / 82,679,467.20-124,019,200.80-25,171,281.60

Finding the Fourth Proportional to 82,679,467.20, 124,019,200.80 and 25,171,281.60

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Solution

The fourth proportional to 82,679,467.20, 124,019,200.80 and 25,171,281.60 is: 37,756,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679,467.20 : 124,019,200.80 = 25,171,281.60 : x
  2. Step 2: Convert to fraction form
    82,679,467.20/124,019,200.80 = 25,171,281.60/x
  3. Step 3: Cross multiply
    82,679,467.20x = 124,019,200.80 × 25,171,281.60
  4. Step 4: Simplify right side
    82,679,467.20x = 3,121,722,227,143,745.50
  5. Step 5: Solve for x
    x = 3,121,722,227,143,745.50/82,679,467.20
  6. Step 6: Final answer
    x = 37,756,922.40

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1.5x scale

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.