Home / 53,907,750.72-74,405,921.22-30,716,584.02

Finding the Fourth Proportional to 53,907,750.72, 74,405,921.22 and 30,716,584.02

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Solution

The fourth proportional to 53,907,750.72, 74,405,921.22 and 30,716,584.02 is: 42,396,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,907,750.72 : 74,405,921.22 = 30,716,584.02 : x
  2. Step 2: Convert to fraction form
    53,907,750.72/74,405,921.22 = 30,716,584.02/x
  3. Step 3: Cross multiply
    53,907,750.72x = 74,405,921.22 × 30,716,584.02
  4. Step 4: Simplify right side
    53,907,750.72x = 2,285,495,730,739,631
  5. Step 5: Solve for x
    x = 2,285,495,730,739,631/53,907,750.72
  6. Step 6: Final answer
    x = 42,396,421.67

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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.