Home / 80,254,018.20-120,418,352.10-41,958,773.40

Finding the Fourth Proportional to 80,254,018.20, 120,418,352.10 and 41,958,773.40

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Solution

The fourth proportional to 80,254,018.20, 120,418,352.10 and 41,958,773.40 is: 62,957,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,254,018.20 : 120,418,352.10 = 41,958,773.40 : x
  2. Step 2: Convert to fraction form
    80,254,018.20/120,418,352.10 = 41,958,773.40/x
  3. Step 3: Cross multiply
    80,254,018.20x = 120,418,352.10 × 41,958,773.40
  4. Step 4: Simplify right side
    80,254,018.20x = 5,052,606,348,965,314
  5. Step 5: Solve for x
    x = 5,052,606,348,965,314/80,254,018.20
  6. Step 6: Final answer
    x = 62,957,674.42

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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.