Home / 196,647,939.10-294,971,908.65-123,946,810.30

Finding the Fourth Proportional to 196,647,939.10, 294,971,908.65 and 123,946,810.30

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Solution

The fourth proportional to 196,647,939.10, 294,971,908.65 and 123,946,810.30 is: 185,920,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,647,939.10 : 294,971,908.65 = 123,946,810.30 : x
  2. Step 2: Convert to fraction form
    196,647,939.10/294,971,908.65 = 123,946,810.30/x
  3. Step 3: Cross multiply
    196,647,939.10x = 294,971,908.65 × 123,946,810.30
  4. Step 4: Simplify right side
    196,647,939.10x = 36,560,827,205,270,472
  5. Step 5: Solve for x
    x = 36,560,827,205,270,472/196,647,939.10
  6. Step 6: Final answer
    x = 185,920,215.45

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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.