Home / 268,434,125.48-370,433,287-155,408,383.68

Finding the Fourth Proportional to 268,434,125.48, 370,433,287 and 155,408,383.68

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Solution

The fourth proportional to 268,434,125.48, 370,433,287 and 155,408,383.68 is: 214,460,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434,125.48 : 370,433,287 = 155,408,383.68 : x
  2. Step 2: Convert to fraction form
    268,434,125.48/370,433,287 = 155,408,383.68/x
  3. Step 3: Cross multiply
    268,434,125.48x = 370,433,287 × 155,408,383.68
  4. Step 4: Simplify right side
    268,434,125.48x = 57,568,438,393,939,560
  5. Step 5: Solve for x
    x = 57,568,438,393,939,560/268,434,125.48
  6. Step 6: Final answer
    x = 214,460,208.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.