Home / 192,010,780-264,975,574.80-103,904,768.80

Finding the Fourth Proportional to 192,010,780, 264,975,574.80 and 103,904,768.80

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Solution

The fourth proportional to 192,010,780, 264,975,574.80 and 103,904,768.80 is: 143,388,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,010,780 : 264,975,574.80 = 103,904,768.80 : x
  2. Step 2: Convert to fraction form
    192,010,780/264,975,574.80 = 103,904,768.80/x
  3. Step 3: Cross multiply
    192,010,780x = 264,975,574.80 × 103,904,768.80
  4. Step 4: Simplify right side
    192,010,780x = 27,532,225,837,241,108
  5. Step 5: Solve for x
    x = 27,532,225,837,241,108/192,010,780
  6. Step 6: Final answer
    x = 143,388,958.88

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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.