Home / 144,290,441.78-199,133,406.82-79,112,942.90

Finding the Fourth Proportional to 144,290,441.78, 199,133,406.82 and 79,112,942.90

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Solution

The fourth proportional to 144,290,441.78, 199,133,406.82 and 79,112,942.90 is: 109,182,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,290,441.78 : 199,133,406.82 = 79,112,942.90 : x
  2. Step 2: Convert to fraction form
    144,290,441.78/199,133,406.82 = 79,112,942.90/x
  3. Step 3: Cross multiply
    144,290,441.78x = 199,133,406.82 × 79,112,942.90
  4. Step 4: Simplify right side
    144,290,441.78x = 15,754,029,843,233,132
  5. Step 5: Solve for x
    x = 15,754,029,843,233,132/144,290,441.78
  6. Step 6: Final answer
    x = 109,182,768.10

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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.