Home / 112,283,135.20-168,401,083.20-47,589,050.80

Finding the Fourth Proportional to 112,283,135.20, 168,401,083.20 and 47,589,050.80

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Solution

The fourth proportional to 112,283,135.20, 168,401,083.20 and 47,589,050.80 is: 71,373,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283,135.20 : 168,401,083.20 = 47,589,050.80 : x
  2. Step 2: Convert to fraction form
    112,283,135.20/168,401,083.20 = 47,589,050.80/x
  3. Step 3: Cross multiply
    112,283,135.20x = 168,401,083.20 × 47,589,050.80
  4. Step 4: Simplify right side
    112,283,135.20x = 8,014,047,703,179,825
  5. Step 5: Solve for x
    x = 8,014,047,703,179,825/112,283,135.20
  6. Step 6: Final answer
    x = 71,373,565.49

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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.