Home / 171,786,300-258,613,829.52-156,531,887.52

Finding the Fourth Proportional to 171,786,300, 258,613,829.52 and 156,531,887.52

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Solution

The fourth proportional to 171,786,300, 258,613,829.52 and 156,531,887.52 is: 235,649,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,786,300 : 258,613,829.52 = 156,531,887.52 : x
  2. Step 2: Convert to fraction form
    171,786,300/258,613,829.52 = 156,531,887.52/x
  3. Step 3: Cross multiply
    171,786,300x = 258,613,829.52 × 156,531,887.52
  4. Step 4: Simplify right side
    171,786,300x = 40,481,310,873,541,104
  5. Step 5: Solve for x
    x = 40,481,310,873,541,104/171,786,300
  6. Step 6: Final answer
    x = 235,649,239.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.