Finding the Fourth Proportional to 123,183,868.96, 170,001,630.80 and 70,971,955.68
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Solution
The fourth proportional to 123,183,868.96, 170,001,630.80 and 70,971,955.68 is: 97,945,845.58
Step by Step Solution
- Step 1: Write the proportion equation
123,183,868.96 : 170,001,630.80 = 70,971,955.68 : x - Step 2: Convert to fraction form
123,183,868.96/170,001,630.80 = 70,971,955.68/x - Step 3: Cross multiply
123,183,868.96x = 170,001,630.80 × 70,971,955.68 - Step 4: Simplify right side
123,183,868.96x = 12,065,348,206,665,326 - Step 5: Solve for x
x = 12,065,348,206,665,326/123,183,868.96 - Step 6: Final answer
x = 97,945,845.58
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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.