Home / 125,568,027.20-188,352,040.80-105,860,532.80

Finding the Fourth Proportional to 125,568,027.20, 188,352,040.80 and 105,860,532.80

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Solution

The fourth proportional to 125,568,027.20, 188,352,040.80 and 105,860,532.80 is: 158,790,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568,027.20 : 188,352,040.80 = 105,860,532.80 : x
  2. Step 2: Convert to fraction form
    125,568,027.20/188,352,040.80 = 105,860,532.80/x
  3. Step 3: Cross multiply
    125,568,027.20x = 188,352,040.80 × 105,860,532.80
  4. Step 4: Simplify right side
    125,568,027.20x = 19,939,047,393,055,340
  5. Step 5: Solve for x
    x = 19,939,047,393,055,340/125,568,027.20
  6. Step 6: Final answer
    x = 158,790,799.20

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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.