Home / 151,783,541.55-209,461,357.38-82,168,922.41

Finding the Fourth Proportional to 151,783,541.55, 209,461,357.38 and 82,168,922.41

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Solution

The fourth proportional to 151,783,541.55, 209,461,357.38 and 82,168,922.41 is: 113,393,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,541.55 : 209,461,357.38 = 82,168,922.41 : x
  2. Step 2: Convert to fraction form
    151,783,541.55/209,461,357.38 = 82,168,922.41/x
  3. Step 3: Cross multiply
    151,783,541.55x = 209,461,357.38 × 82,168,922.41
  4. Step 4: Simplify right side
    151,783,541.55x = 17,211,214,022,234,980
  5. Step 5: Solve for x
    x = 17,211,214,022,234,980/151,783,541.55
  6. Step 6: Final answer
    x = 113,393,150.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.