Home / 228,080,612.34-314,757,883.44-128,959,230.48

Finding the Fourth Proportional to 228,080,612.34, 314,757,883.44 and 128,959,230.48

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Solution

The fourth proportional to 228,080,612.34, 314,757,883.44 and 128,959,230.48 is: 177,967,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,612.34 : 314,757,883.44 = 128,959,230.48 : x
  2. Step 2: Convert to fraction form
    228,080,612.34/314,757,883.44 = 128,959,230.48/x
  3. Step 3: Cross multiply
    228,080,612.34x = 314,757,883.44 × 128,959,230.48
  4. Step 4: Simplify right side
    228,080,612.34x = 40,590,934,435,935,936
  5. Step 5: Solve for x
    x = 40,590,934,435,935,936/228,080,612.34
  6. Step 6: Final answer
    x = 177,967,491.49

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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.