Home / 70,925,620.88-106,379,625.92-19,114,276.86

Finding the Fourth Proportional to 70,925,620.88, 106,379,625.92 and 19,114,276.86

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Solution

The fourth proportional to 70,925,620.88, 106,379,625.92 and 19,114,276.86 is: 28,669,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925,620.88 : 106,379,625.92 = 19,114,276.86 : x
  2. Step 2: Convert to fraction form
    70,925,620.88/106,379,625.92 = 19,114,276.86/x
  3. Step 3: Cross multiply
    70,925,620.88x = 106,379,625.92 × 19,114,276.86
  4. Step 4: Simplify right side
    70,925,620.88x = 2,033,369,622,002,541
  5. Step 5: Solve for x
    x = 2,033,369,622,002,541/70,925,620.88
  6. Step 6: Final answer
    x = 28,669,042.25

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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.