Home / 294,075,616.48-405,821,016.72-161,913,914.08

Finding the Fourth Proportional to 294,075,616.48, 405,821,016.72 and 161,913,914.08

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Solution

The fourth proportional to 294,075,616.48, 405,821,016.72 and 161,913,914.08 is: 223,439,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,075,616.48 : 405,821,016.72 = 161,913,914.08 : x
  2. Step 2: Convert to fraction form
    294,075,616.48/405,821,016.72 = 161,913,914.08/x
  3. Step 3: Cross multiply
    294,075,616.48x = 405,821,016.72 × 161,913,914.08
  4. Step 4: Simplify right side
    294,075,616.48x = 65,708,069,233,060,336
  5. Step 5: Solve for x
    x = 65,708,069,233,060,336/294,075,616.48
  6. Step 6: Final answer
    x = 223,439,365.76

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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.