Home / 47,223,505.23-65,133,748.45-31,299,791.67

Finding the Fourth Proportional to 47,223,505.23, 65,133,748.45 and 31,299,791.67

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Solution

The fourth proportional to 47,223,505.23, 65,133,748.45 and 31,299,791.67 is: 43,170,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,223,505.23 : 65,133,748.45 = 31,299,791.67 : x
  2. Step 2: Convert to fraction form
    47,223,505.23/65,133,748.45 = 31,299,791.67/x
  3. Step 3: Cross multiply
    47,223,505.23x = 65,133,748.45 × 31,299,791.67
  4. Step 4: Simplify right side
    47,223,505.23x = 2,038,672,757,171,185.50
  5. Step 5: Solve for x
    x = 2,038,672,757,171,185.50/47,223,505.23
  6. Step 6: Final answer
    x = 43,170,720.75

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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.