Home / 151,783,522.38-209,461,331.34-82,168,903.14

Finding the Fourth Proportional to 151,783,522.38, 209,461,331.34 and 82,168,903.14

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Solution

The fourth proportional to 151,783,522.38, 209,461,331.34 and 82,168,903.14 is: 113,393,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,522.38 : 209,461,331.34 = 82,168,903.14 : x
  2. Step 2: Convert to fraction form
    151,783,522.38/209,461,331.34 = 82,168,903.14/x
  3. Step 3: Cross multiply
    151,783,522.38x = 209,461,331.34 × 82,168,903.14
  4. Step 4: Simplify right side
    151,783,522.38x = 17,211,207,846,451,906
  5. Step 5: Solve for x
    x = 17,211,207,846,451,906/151,783,522.38
  6. Step 6: Final answer
    x = 113,393,124.47

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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.