Home / 228,080,604.81-314,757,873.09-128,959,222.98

Finding the Fourth Proportional to 228,080,604.81, 314,757,873.09 and 128,959,222.98

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Solution

The fourth proportional to 228,080,604.81, 314,757,873.09 and 128,959,222.98 is: 177,967,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,604.81 : 314,757,873.09 = 128,959,222.98 : x
  2. Step 2: Convert to fraction form
    228,080,604.81/314,757,873.09 = 128,959,222.98/x
  3. Step 3: Cross multiply
    228,080,604.81x = 314,757,873.09 × 128,959,222.98
  4. Step 4: Simplify right side
    228,080,604.81x = 40,590,930,740,523,848
  5. Step 5: Solve for x
    x = 40,590,930,740,523,848/228,080,604.81
  6. Step 6: Final answer
    x = 177,967,481.16

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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.