Home / 57,458,466.40-86,187,699.60-19,121,231.20

Finding the Fourth Proportional to 57,458,466.40, 86,187,699.60 and 19,121,231.20

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Solution

The fourth proportional to 57,458,466.40, 86,187,699.60 and 19,121,231.20 is: 28,681,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458,466.40 : 86,187,699.60 = 19,121,231.20 : x
  2. Step 2: Convert to fraction form
    57,458,466.40/86,187,699.60 = 19,121,231.20/x
  3. Step 3: Cross multiply
    57,458,466.40x = 86,187,699.60 × 19,121,231.20
  4. Step 4: Simplify right side
    57,458,466.40x = 1,648,014,930,647,747.25
  5. Step 5: Solve for x
    x = 1,648,014,930,647,747.25/57,458,466.40
  6. Step 6: Final answer
    x = 28,681,846.80

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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.