Home / 57,094,115.21-78,789,680.29-30,988,632.96

Finding the Fourth Proportional to 57,094,115.21, 78,789,680.29 and 30,988,632.96

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Solution

The fourth proportional to 57,094,115.21, 78,789,680.29 and 30,988,632.96 is: 42,764,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094,115.21 : 78,789,680.29 = 30,988,632.96 : x
  2. Step 2: Convert to fraction form
    57,094,115.21/78,789,680.29 = 30,988,632.96/x
  3. Step 3: Cross multiply
    57,094,115.21x = 78,789,680.29 × 30,988,632.96
  4. Step 4: Simplify right side
    57,094,115.21x = 2,441,584,483,542,556.50
  5. Step 5: Solve for x
    x = 2,441,584,483,542,556.50/57,094,115.21
  6. Step 6: Final answer
    x = 42,764,205.64

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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.