Home / 171,089,878.57-256,532,330.97-54,454,854.40

Finding the Fourth Proportional to 171,089,878.57, 256,532,330.97 and 54,454,854.40

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Solution

The fourth proportional to 171,089,878.57, 256,532,330.97 and 54,454,854.40 is: 81,649,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,089,878.57 : 256,532,330.97 = 54,454,854.40 : x
  2. Step 2: Convert to fraction form
    171,089,878.57/256,532,330.97 = 54,454,854.40/x
  3. Step 3: Cross multiply
    171,089,878.57x = 256,532,330.97 × 54,454,854.40
  4. Step 4: Simplify right side
    171,089,878.57x = 13,969,430,731,222,630
  5. Step 5: Solve for x
    x = 13,969,430,731,222,630/171,089,878.57
  6. Step 6: Final answer
    x = 81,649,661.85

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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.