Home / 291,093,285.12-401,703,242.30-178,054,460.06

Finding the Fourth Proportional to 291,093,285.12, 401,703,242.30 and 178,054,460.06

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Solution

The fourth proportional to 291,093,285.12, 401,703,242.30 and 178,054,460.06 is: 245,711,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,093,285.12 : 401,703,242.30 = 178,054,460.06 : x
  2. Step 2: Convert to fraction form
    291,093,285.12/401,703,242.30 = 178,054,460.06/x
  3. Step 3: Cross multiply
    291,093,285.12x = 401,703,242.30 × 178,054,460.06
  4. Step 4: Simplify right side
    291,093,285.12x = 71,525,053,912,077,856
  5. Step 5: Solve for x
    x = 71,525,053,912,077,856/291,093,285.12
  6. Step 6: Final answer
    x = 245,711,796.07

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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.