Home / 268,434,284.42-370,433,504.28-155,408,541.92

Finding the Fourth Proportional to 268,434,284.42, 370,433,504.28 and 155,408,541.92

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Solution

The fourth proportional to 268,434,284.42, 370,433,504.28 and 155,408,541.92 is: 214,460,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,434,284.42 : 370,433,504.28 = 155,408,541.92 : x
  2. Step 2: Convert to fraction form
    268,434,284.42/370,433,504.28 = 155,408,541.92/x
  3. Step 3: Cross multiply
    268,434,284.42x = 370,433,504.28 × 155,408,541.92
  4. Step 4: Simplify right side
    268,434,284.42x = 57,568,530,778,470,872
  5. Step 5: Solve for x
    x = 57,568,530,778,470,872/268,434,284.42
  6. Step 6: Final answer
    x = 214,460,425.21

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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.