Home / 74,083,856.40-111,137,594.40-30,930,847.20

Finding the Fourth Proportional to 74,083,856.40, 111,137,594.40 and 30,930,847.20

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Solution

The fourth proportional to 74,083,856.40, 111,137,594.40 and 30,930,847.20 is: 46,401,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083,856.40 : 111,137,594.40 = 30,930,847.20 : x
  2. Step 2: Convert to fraction form
    74,083,856.40/111,137,594.40 = 30,930,847.20/x
  3. Step 3: Cross multiply
    74,083,856.40x = 111,137,594.40 × 30,930,847.20
  4. Step 4: Simplify right side
    74,083,856.40x = 3,437,579,950,561,976
  5. Step 5: Solve for x
    x = 3,437,579,950,561,976/74,083,856.40
  6. Step 6: Final answer
    x = 46,401,201.52

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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.