Home / 265,814,453.15-398,721,679.73-71,725,556.94

Finding the Fourth Proportional to 265,814,453.15, 398,721,679.73 and 71,725,556.94

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Solution

The fourth proportional to 265,814,453.15, 398,721,679.73 and 71,725,556.94 is: 107,588,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,814,453.15 : 398,721,679.73 = 71,725,556.94 : x
  2. Step 2: Convert to fraction form
    265,814,453.15/398,721,679.73 = 71,725,556.94/x
  3. Step 3: Cross multiply
    265,814,453.15x = 398,721,679.73 × 71,725,556.94
  4. Step 4: Simplify right side
    265,814,453.15x = 28,598,534,542,686,560
  5. Step 5: Solve for x
    x = 28,598,534,542,686,560/265,814,453.15
  6. Step 6: Final answer
    x = 107,588,335.41

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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.