Home / 213,288,459.75-294,254,742.42-123,965,562.33

Finding the Fourth Proportional to 213,288,459.75, 294,254,742.42 and 123,965,562.33

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Solution

The fourth proportional to 213,288,459.75, 294,254,742.42 and 123,965,562.33 is: 171,024,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,288,459.75 : 294,254,742.42 = 123,965,562.33 : x
  2. Step 2: Convert to fraction form
    213,288,459.75/294,254,742.42 = 123,965,562.33/x
  3. Step 3: Cross multiply
    213,288,459.75x = 294,254,742.42 × 123,965,562.33
  4. Step 4: Simplify right side
    213,288,459.75x = 36,477,454,612,364,608
  5. Step 5: Solve for x
    x = 36,477,454,612,364,608/213,288,459.75
  6. Step 6: Final answer
    x = 171,024,042.53

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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.