Home / 143,362,371,133.80-197,840,091,529.26-79,133,107,563.54

Finding the Fourth Proportional to 143,362,371,133.80, 197,840,091,529.26 and 79,133,107,563.54

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Solution

The fourth proportional to 143,362,371,133.80, 197,840,091,529.26 and 79,133,107,563.54 is: 109,203,699,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,362,371,133.80 : 197,840,091,529.26 = 79,133,107,563.54 : x
  2. Step 2: Convert to fraction form
    143,362,371,133.80/197,840,091,529.26 = 79,133,107,563.54/x
  3. Step 3: Cross multiply
    143,362,371,133.80x = 197,840,091,529.26 × 79,133,107,563.54
  4. Step 4: Simplify right side
    143,362,371,133.80x = 15,655,701,243,365,530,009,600
  5. Step 5: Solve for x
    x = 15,655,701,243,365,530,009,600/143,362,371,133.80
  6. Step 6: Final answer
    x = 109,203,699,126.56

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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.