Home / 164,747,313.28-227,353,007.37-90,412,688.45

Finding the Fourth Proportional to 164,747,313.28, 227,353,007.37 and 90,412,688.45

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Solution

The fourth proportional to 164,747,313.28, 227,353,007.37 and 90,412,688.45 is: 124,770,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,747,313.28 : 227,353,007.37 = 90,412,688.45 : x
  2. Step 2: Convert to fraction form
    164,747,313.28/227,353,007.37 = 90,412,688.45/x
  3. Step 3: Cross multiply
    164,747,313.28x = 227,353,007.37 × 90,412,688.45
  4. Step 4: Simplify right side
    164,747,313.28x = 20,555,596,622,634,816
  5. Step 5: Solve for x
    x = 20,555,596,622,634,816/164,747,313.28
  6. Step 6: Final answer
    x = 124,770,451.26

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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.