Home / 89,282,089,763.60-133,923,134,645.40-80,190,622,288.40

Finding the Fourth Proportional to 89,282,089,763.60, 133,923,134,645.40 and 80,190,622,288.40

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Solution

The fourth proportional to 89,282,089,763.60, 133,923,134,645.40 and 80,190,622,288.40 is: 120,285,933,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,282,089,763.60 : 133,923,134,645.40 = 80,190,622,288.40 : x
  2. Step 2: Convert to fraction form
    89,282,089,763.60/133,923,134,645.40 = 80,190,622,288.40/x
  3. Step 3: Cross multiply
    89,282,089,763.60x = 133,923,134,645.40 × 80,190,622,288.40
  4. Step 4: Simplify right side
    89,282,089,763.60x = 10,739,379,506,027,805,278,208
  5. Step 5: Solve for x
    x = 10,739,379,506,027,805,278,208/89,282,089,763.60
  6. Step 6: Final answer
    x = 120,285,933,432.60

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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.