Home / 125,630,745.50-188,446,187.10-57,425,607.56

Finding the Fourth Proportional to 125,630,745.50, 188,446,187.10 and 57,425,607.56

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Solution

The fourth proportional to 125,630,745.50, 188,446,187.10 and 57,425,607.56 is: 86,138,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630,745.50 : 188,446,187.10 = 57,425,607.56 : x
  2. Step 2: Convert to fraction form
    125,630,745.50/188,446,187.10 = 57,425,607.56/x
  3. Step 3: Cross multiply
    125,630,745.50x = 188,446,187.10 × 57,425,607.56
  4. Step 4: Simplify right side
    125,630,745.50x = 10,821,636,786,582,934
  5. Step 5: Solve for x
    x = 10,821,636,786,582,934/125,630,745.50
  6. Step 6: Final answer
    x = 86,138,442.81

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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.