Home / 261,015,538.46-360,194,259.92-143,540,868.69

Finding the Fourth Proportional to 261,015,538.46, 360,194,259.92 and 143,540,868.69

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Solution

The fourth proportional to 261,015,538.46, 360,194,259.92 and 143,540,868.69 is: 198,082,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,538.46 : 360,194,259.92 = 143,540,868.69 : x
  2. Step 2: Convert to fraction form
    261,015,538.46/360,194,259.92 = 143,540,868.69/x
  3. Step 3: Cross multiply
    261,015,538.46x = 360,194,259.92 × 143,540,868.69
  4. Step 4: Simplify right side
    261,015,538.46x = 51,702,596,965,350,744
  5. Step 5: Solve for x
    x = 51,702,596,965,350,744/261,015,538.46
  6. Step 6: Final answer
    x = 198,082,448.54

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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.