Home / 328,191,450.78-492,288,009.97-134,102,866.22

Finding the Fourth Proportional to 328,191,450.78, 492,288,009.97 and 134,102,866.22

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Solution

The fourth proportional to 328,191,450.78, 492,288,009.97 and 134,102,866.22 is: 201,154,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,191,450.78 : 492,288,009.97 = 134,102,866.22 : x
  2. Step 2: Convert to fraction form
    328,191,450.78/492,288,009.97 = 134,102,866.22/x
  3. Step 3: Cross multiply
    328,191,450.78x = 492,288,009.97 × 134,102,866.22
  4. Step 4: Simplify right side
    328,191,450.78x = 66,017,233,142,716,936
  5. Step 5: Solve for x
    x = 66,017,233,142,716,936/328,191,450.78
  6. Step 6: Final answer
    x = 201,154,640.03

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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.