Home / 196,512,619.16-294,658,321.01-65,284,640.36

Finding the Fourth Proportional to 196,512,619.16, 294,658,321.01 and 65,284,640.36

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Solution

The fourth proportional to 196,512,619.16, 294,658,321.01 and 65,284,640.36 is: 97,890,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,512,619.16 : 294,658,321.01 = 65,284,640.36 : x
  2. Step 2: Convert to fraction form
    196,512,619.16/294,658,321.01 = 65,284,640.36/x
  3. Step 3: Cross multiply
    196,512,619.16x = 294,658,321.01 × 65,284,640.36
  4. Step 4: Simplify right side
    196,512,619.16x = 19,236,662,514,909,200
  5. Step 5: Solve for x
    x = 19,236,662,514,909,200/196,512,619.16
  6. Step 6: Final answer
    x = 97,890,214.87

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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.