Home / 257,042,043.45-354,718,439.91-139,567,600.89

Finding the Fourth Proportional to 257,042,043.45, 354,718,439.91 and 139,567,600.89

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Solution

The fourth proportional to 257,042,043.45, 354,718,439.91 and 139,567,600.89 is: 192,603,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,042,043.45 : 354,718,439.91 = 139,567,600.89 : x
  2. Step 2: Convert to fraction form
    257,042,043.45/354,718,439.91 = 139,567,600.89/x
  3. Step 3: Cross multiply
    257,042,043.45x = 354,718,439.91 × 139,567,600.89
  4. Step 4: Simplify right side
    257,042,043.45x = 49,507,201,649,682,328
  5. Step 5: Solve for x
    x = 49,507,201,649,682,328/257,042,043.45
  6. Step 6: Final answer
    x = 192,603,517.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.