Home / 228,080,293.20-314,757,444.50-128,958,912.45

Finding the Fourth Proportional to 228,080,293.20, 314,757,444.50 and 128,958,912.45

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Solution

The fourth proportional to 228,080,293.20, 314,757,444.50 and 128,958,912.45 is: 177,967,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,080,293.20 : 314,757,444.50 = 128,958,912.45 : x
  2. Step 2: Convert to fraction form
    228,080,293.20/314,757,444.50 = 128,958,912.45/x
  3. Step 3: Cross multiply
    228,080,293.20x = 314,757,444.50 × 128,958,912.45
  4. Step 4: Simplify right side
    228,080,293.20x = 40,590,777,727,616,440
  5. Step 5: Solve for x
    x = 40,590,777,727,616,440/228,080,293.20
  6. Step 6: Final answer
    x = 177,967,053.44

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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.