Home / 339,504,128.80-509,256,232.65-106,353,009.35

Finding the Fourth Proportional to 339,504,128.80, 509,256,232.65 and 106,353,009.35

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Solution

The fourth proportional to 339,504,128.80, 509,256,232.65 and 106,353,009.35 is: 159,529,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,504,128.80 : 509,256,232.65 = 106,353,009.35 : x
  2. Step 2: Convert to fraction form
    339,504,128.80/509,256,232.65 = 106,353,009.35/x
  3. Step 3: Cross multiply
    339,504,128.80x = 509,256,232.65 × 106,353,009.35
  4. Step 4: Simplify right side
    339,504,128.80x = 54,160,932,871,934,648
  5. Step 5: Solve for x
    x = 54,160,932,871,934,648/339,504,128.80
  6. Step 6: Final answer
    x = 159,529,526.38

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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.