Finding the Fourth Proportional to 91,459,293.62, 126,210,559.66 and 51,765,972.62
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Solution
The fourth proportional to 91,459,293.62, 126,210,559.66 and 51,765,972.62 is: 71,435,193.92
Step by Step Solution
- Step 1: Write the proportion equation
91,459,293.62 : 126,210,559.66 = 51,765,972.62 : x - Step 2: Convert to fraction form
91,459,293.62/126,210,559.66 = 51,765,972.62/x - Step 3: Cross multiply
91,459,293.62x = 126,210,559.66 × 51,765,972.62 - Step 4: Simplify right side
91,459,293.62x = 6,533,412,374,953,969 - Step 5: Solve for x
x = 6,533,412,374,953,969/91,459,293.62 - Step 6: Final answer
x = 71,435,193.92
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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.