Home / 57,959,920.20-86,939,880.30-31,086,064.20

Finding the Fourth Proportional to 57,959,920.20, 86,939,880.30 and 31,086,064.20

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Solution

The fourth proportional to 57,959,920.20, 86,939,880.30 and 31,086,064.20 is: 46,629,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959,920.20 : 86,939,880.30 = 31,086,064.20 : x
  2. Step 2: Convert to fraction form
    57,959,920.20/86,939,880.30 = 31,086,064.20/x
  3. Step 3: Cross multiply
    57,959,920.20x = 86,939,880.30 × 31,086,064.20
  4. Step 4: Simplify right side
    57,959,920.20x = 2,702,618,700,546,115
  5. Step 5: Solve for x
    x = 2,702,618,700,546,115/57,959,920.20
  6. Step 6: Final answer
    x = 46,629,096.30

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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.