Home / 196,254,967.80-294,382,451.70-67,008,516.60

Finding the Fourth Proportional to 196,254,967.80, 294,382,451.70 and 67,008,516.60

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Solution

The fourth proportional to 196,254,967.80, 294,382,451.70 and 67,008,516.60 is: 100,512,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254,967.80 : 294,382,451.70 = 67,008,516.60 : x
  2. Step 2: Convert to fraction form
    196,254,967.80/294,382,451.70 = 67,008,516.60/x
  3. Step 3: Cross multiply
    196,254,967.80x = 294,382,451.70 × 67,008,516.60
  4. Step 4: Simplify right side
    196,254,967.80x = 19,726,131,401,488,148
  5. Step 5: Solve for x
    x = 19,726,131,401,488,148/196,254,967.80
  6. Step 6: Final answer
    x = 100,512,774.90

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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.