Home / 40,438,830.20-60,658,245.30-20,241,447.80

Finding the Fourth Proportional to 40,438,830.20, 60,658,245.30 and 20,241,447.80

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Solution

The fourth proportional to 40,438,830.20, 60,658,245.30 and 20,241,447.80 is: 30,362,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438,830.20 : 60,658,245.30 = 20,241,447.80 : x
  2. Step 2: Convert to fraction form
    40,438,830.20/60,658,245.30 = 20,241,447.80/x
  3. Step 3: Cross multiply
    40,438,830.20x = 60,658,245.30 × 20,241,447.80
  4. Step 4: Simplify right side
    40,438,830.20x = 1,227,810,705,879,545.25
  5. Step 5: Solve for x
    x = 1,227,810,705,879,545.25/40,438,830.20
  6. Step 6: Final answer
    x = 30,362,171.70

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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.