Home / 227,933,035-314,512,798.38-128,777,603.46

Finding the Fourth Proportional to 227,933,035, 314,512,798.38 and 128,777,603.46

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Solution

The fourth proportional to 227,933,035, 314,512,798.38 and 128,777,603.46 is: 177,693,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,933,035 : 314,512,798.38 = 128,777,603.46 : x
  2. Step 2: Convert to fraction form
    227,933,035/314,512,798.38 = 128,777,603.46/x
  3. Step 3: Cross multiply
    227,933,035x = 314,512,798.38 × 128,777,603.46
  4. Step 4: Simplify right side
    227,933,035x = 40,502,204,432,874,568
  5. Step 5: Solve for x
    x = 40,502,204,432,874,568/227,933,035
  6. Step 6: Final answer
    x = 177,693,437.17

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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.