Home / 255,278,719.56-352,294,029.64-142,258,367.70

Finding the Fourth Proportional to 255,278,719.56, 352,294,029.64 and 142,258,367.70

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Solution

The fourth proportional to 255,278,719.56, 352,294,029.64 and 142,258,367.70 is: 196,321,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,278,719.56 : 352,294,029.64 = 142,258,367.70 : x
  2. Step 2: Convert to fraction form
    255,278,719.56/352,294,029.64 = 142,258,367.70/x
  3. Step 3: Cross multiply
    255,278,719.56x = 352,294,029.64 × 142,258,367.70
  4. Step 4: Simplify right side
    255,278,719.56x = 50,116,773,607,041,816
  5. Step 5: Solve for x
    x = 50,116,773,607,041,816/255,278,719.56
  6. Step 6: Final answer
    x = 196,321,783.87

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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.