Home / 252,907,768.12-349,008,178.86-142,897,119.16

Finding the Fourth Proportional to 252,907,768.12, 349,008,178.86 and 142,897,119.16

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Solution

The fourth proportional to 252,907,768.12, 349,008,178.86 and 142,897,119.16 is: 197,195,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,907,768.12 : 349,008,178.86 = 142,897,119.16 : x
  2. Step 2: Convert to fraction form
    252,907,768.12/349,008,178.86 = 142,897,119.16/x
  3. Step 3: Cross multiply
    252,907,768.12x = 349,008,178.86 × 142,897,119.16
  4. Step 4: Simplify right side
    252,907,768.12x = 49,872,263,322,372,016
  5. Step 5: Solve for x
    x = 49,872,263,322,372,016/252,907,768.12
  6. Step 6: Final answer
    x = 197,195,458.62

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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.