Finding the Fourth Proportional to 220,205,030.29, 303,872,537.88 and 121,089,955.19
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Solution
The fourth proportional to 220,205,030.29, 303,872,537.88 and 121,089,955.19 is: 167,098,417.08
Step by Step Solution
- Step 1: Write the proportion equation
220,205,030.29 : 303,872,537.88 = 121,089,955.19 : x - Step 2: Convert to fraction form
220,205,030.29/303,872,537.88 = 121,089,955.19/x - Step 3: Cross multiply
220,205,030.29x = 303,872,537.88 × 121,089,955.19 - Step 4: Simplify right side
220,205,030.29x = 36,795,911,993,841,416 - Step 5: Solve for x
x = 36,795,911,993,841,416/220,205,030.29 - Step 6: Final answer
x = 167,098,417.08
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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.