Finding the Fourth Proportional to 354,484,087.97, 531,805,183.79 and 108,865,509.84
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Solution
The fourth proportional to 354,484,087.97, 531,805,183.79 and 108,865,509.84 is: 163,322,542.35
Step by Step Solution
- Step 1: Write the proportion equation
354,484,087.97 : 531,805,183.79 = 108,865,509.84 : x - Step 2: Convert to fraction form
354,484,087.97/531,805,183.79 = 108,865,509.84/x - Step 3: Cross multiply
354,484,087.97x = 531,805,183.79 × 108,865,509.84 - Step 4: Simplify right side
354,484,087.97x = 57,895,242,468,308,928 - Step 5: Solve for x
x = 57,895,242,468,308,928/354,484,087.97 - Step 6: Final answer
x = 163,322,542.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.