Home / 161,659,323.56-223,089,955.83-87,319,883.67

Finding the Fourth Proportional to 161,659,323.56, 223,089,955.83 and 87,319,883.67

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Solution

The fourth proportional to 161,659,323.56, 223,089,955.83 and 87,319,883.67 is: 120,501,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,323.56 : 223,089,955.83 = 87,319,883.67 : x
  2. Step 2: Convert to fraction form
    161,659,323.56/223,089,955.83 = 87,319,883.67/x
  3. Step 3: Cross multiply
    161,659,323.56x = 223,089,955.83 × 87,319,883.67
  4. Step 4: Simplify right side
    161,659,323.56x = 19,480,188,991,021,040
  5. Step 5: Solve for x
    x = 19,480,188,991,021,040/161,659,323.56
  6. Step 6: Final answer
    x = 120,501,487.71

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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.