Home / 117,735,449.76-162,474,921.09-65,536,816.54

Finding the Fourth Proportional to 117,735,449.76, 162,474,921.09 and 65,536,816.54

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Solution

The fourth proportional to 117,735,449.76, 162,474,921.09 and 65,536,816.54 is: 90,440,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735,449.76 : 162,474,921.09 = 65,536,816.54 : x
  2. Step 2: Convert to fraction form
    117,735,449.76/162,474,921.09 = 65,536,816.54/x
  3. Step 3: Cross multiply
    117,735,449.76x = 162,474,921.09 × 65,536,816.54
  4. Step 4: Simplify right side
    117,735,449.76x = 10,648,089,095,826,306
  5. Step 5: Solve for x
    x = 10,648,089,095,826,306/117,735,449.76
  6. Step 6: Final answer
    x = 90,440,807.06

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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.