Home / 90,278,743.44-135,223,544.85-60,971,424.67

Finding the Fourth Proportional to 90,278,743.44, 135,223,544.85 and 60,971,424.67

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Solution

The fourth proportional to 90,278,743.44, 135,223,544.85 and 60,971,424.67 is: 91,325,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,278,743.44 : 135,223,544.85 = 60,971,424.67 : x
  2. Step 2: Convert to fraction form
    90,278,743.44/135,223,544.85 = 60,971,424.67/x
  3. Step 3: Cross multiply
    90,278,743.44x = 135,223,544.85 × 60,971,424.67
  4. Step 4: Simplify right side
    90,278,743.44x = 8,244,772,178,322,724
  5. Step 5: Solve for x
    x = 8,244,772,178,322,724/90,278,743.44
  6. Step 6: Final answer
    x = 91,325,730.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.