Finding the Fourth Proportional to 218,639,620.24, 301,724,683.56 and 124,552,372.75
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Solution
The fourth proportional to 218,639,620.24, 301,724,683.56 and 124,552,372.75 is: 171,883,418.08
Step by Step Solution
- Step 1: Write the proportion equation
218,639,620.24 : 301,724,683.56 = 124,552,372.75 : x - Step 2: Convert to fraction form
218,639,620.24/301,724,683.56 = 124,552,372.75/x - Step 3: Cross multiply
218,639,620.24x = 301,724,683.56 × 124,552,372.75 - Step 4: Simplify right side
218,639,620.24x = 37,580,525,253,886,608 - Step 5: Solve for x
x = 37,580,525,253,886,608/218,639,620.24 - Step 6: Final answer
x = 171,883,418.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.