Finding the Fourth Proportional to 218,639,621.24, 301,724,684.94 and 124,552,373.75
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Solution
The fourth proportional to 218,639,621.24, 301,724,684.94 and 124,552,373.75 is: 171,883,419.46
Step by Step Solution
- Step 1: Write the proportion equation
218,639,621.24 : 301,724,684.94 = 124,552,373.75 : x - Step 2: Convert to fraction form
218,639,621.24/301,724,684.94 = 124,552,373.75/x - Step 3: Cross multiply
218,639,621.24x = 301,724,684.94 × 124,552,373.75 - Step 4: Simplify right side
218,639,621.24x = 37,580,525,728,247,880 - Step 5: Solve for x
x = 37,580,525,728,247,880/218,639,621.24 - Step 6: Final answer
x = 171,883,419.46
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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.