Home / 81,576,273.20-122,364,409.80-36,089,783.60

Finding the Fourth Proportional to 81,576,273.20, 122,364,409.80 and 36,089,783.60

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Solution

The fourth proportional to 81,576,273.20, 122,364,409.80 and 36,089,783.60 is: 54,134,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,576,273.20 : 122,364,409.80 = 36,089,783.60 : x
  2. Step 2: Convert to fraction form
    81,576,273.20/122,364,409.80 = 36,089,783.60/x
  3. Step 3: Cross multiply
    81,576,273.20x = 122,364,409.80 × 36,089,783.60
  4. Step 4: Simplify right side
    81,576,273.20x = 4,416,105,070,023,719.50
  5. Step 5: Solve for x
    x = 4,416,105,070,023,719.50/81,576,273.20
  6. Step 6: Final answer
    x = 54,134,675.40

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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.