Home / 304,485,443.10-420,190,316.93-165,256,204.86

Finding the Fourth Proportional to 304,485,443.10, 420,190,316.93 and 165,256,204.86

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Solution

The fourth proportional to 304,485,443.10, 420,190,316.93 and 165,256,204.86 is: 228,053,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,443.10 : 420,190,316.93 = 165,256,204.86 : x
  2. Step 2: Convert to fraction form
    304,485,443.10/420,190,316.93 = 165,256,204.86/x
  3. Step 3: Cross multiply
    304,485,443.10x = 420,190,316.93 × 165,256,204.86
  4. Step 4: Simplify right side
    304,485,443.10x = 69,439,057,093,946,136
  5. Step 5: Solve for x
    x = 69,439,057,093,946,136/304,485,443.10
  6. Step 6: Final answer
    x = 228,053,782.76

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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.