Home / 143,926,643.41-215,839,450.87-40,267,993.79

Finding the Fourth Proportional to 143,926,643.41, 215,839,450.87 and 40,267,993.79

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Solution

The fourth proportional to 143,926,643.41, 215,839,450.87 and 40,267,993.79 is: 60,387,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,926,643.41 : 215,839,450.87 = 40,267,993.79 : x
  2. Step 2: Convert to fraction form
    143,926,643.41/215,839,450.87 = 40,267,993.79/x
  3. Step 3: Cross multiply
    143,926,643.41x = 215,839,450.87 × 40,267,993.79
  4. Step 4: Simplify right side
    143,926,643.41x = 8,691,421,667,270,170
  5. Step 5: Solve for x
    x = 8,691,421,667,270,170/143,926,643.41
  6. Step 6: Final answer
    x = 60,387,857.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.