Home / 304,485,424.64-420,190,291.48-165,256,186.41

Finding the Fourth Proportional to 304,485,424.64, 420,190,291.48 and 165,256,186.41

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Solution

The fourth proportional to 304,485,424.64, 420,190,291.48 and 165,256,186.41 is: 228,053,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,424.64 : 420,190,291.48 = 165,256,186.41 : x
  2. Step 2: Convert to fraction form
    304,485,424.64/420,190,291.48 = 165,256,186.41/x
  3. Step 3: Cross multiply
    304,485,424.64x = 420,190,291.48 × 165,256,186.41
  4. Step 4: Simplify right side
    304,485,424.64x = 69,439,045,134,504,688
  5. Step 5: Solve for x
    x = 69,439,045,134,504,688/304,485,424.64
  6. Step 6: Final answer
    x = 228,053,757.31

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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.