Home / 213,288,461.75-294,254,745.18-123,965,564.33

Finding the Fourth Proportional to 213,288,461.75, 294,254,745.18 and 123,965,564.33

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Solution

The fourth proportional to 213,288,461.75, 294,254,745.18 and 123,965,564.33 is: 171,024,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,288,461.75 : 294,254,745.18 = 123,965,564.33 : x
  2. Step 2: Convert to fraction form
    213,288,461.75/294,254,745.18 = 123,965,564.33/x
  3. Step 3: Cross multiply
    213,288,461.75x = 294,254,745.18 × 123,965,564.33
  4. Step 4: Simplify right side
    213,288,461.75x = 36,477,455,543,019,048
  5. Step 5: Solve for x
    x = 36,477,455,543,019,048/213,288,461.75
  6. Step 6: Final answer
    x = 171,024,045.29

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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.