Home / 189,301,914.72-261,248,589.36-106,765,584.48

Finding the Fourth Proportional to 189,301,914.72, 261,248,589.36 and 106,765,584.48

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Solution

The fourth proportional to 189,301,914.72, 261,248,589.36 and 106,765,584.48 is: 147,343,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,301,914.72 : 261,248,589.36 = 106,765,584.48 : x
  2. Step 2: Convert to fraction form
    189,301,914.72/261,248,589.36 = 106,765,584.48/x
  3. Step 3: Cross multiply
    189,301,914.72x = 261,248,589.36 × 106,765,584.48
  4. Step 4: Simplify right side
    189,301,914.72x = 27,892,358,337,595,912
  5. Step 5: Solve for x
    x = 27,892,358,337,595,912/189,301,914.72
  6. Step 6: Final answer
    x = 147,343,244.67

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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.