Home / 215,198,718.75-297,065,865.96-144,675,230.01

Finding the Fourth Proportional to 215,198,718.75, 297,065,865.96 and 144,675,230.01

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Solution

The fourth proportional to 215,198,718.75, 297,065,865.96 and 144,675,230.01 is: 199,713,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,198,718.75 : 297,065,865.96 = 144,675,230.01 : x
  2. Step 2: Convert to fraction form
    215,198,718.75/297,065,865.96 = 144,675,230.01/x
  3. Step 3: Cross multiply
    215,198,718.75x = 297,065,865.96 × 144,675,230.01
  4. Step 4: Simplify right side
    215,198,718.75x = 42,978,072,485,882,824
  5. Step 5: Solve for x
    x = 42,978,072,485,882,824/215,198,718.75
  6. Step 6: Final answer
    x = 199,713,421.79

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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.