Finding the Fourth Proportional to 186,971,101.74, 258,033,472.16 and 103,337,435.07
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Solution
The fourth proportional to 186,971,101.74, 258,033,472.16 and 103,337,435.07 is: 142,613,039.80
Step by Step Solution
- Step 1: Write the proportion equation
186,971,101.74 : 258,033,472.16 = 103,337,435.07 : x - Step 2: Convert to fraction form
186,971,101.74/258,033,472.16 = 103,337,435.07/x - Step 3: Cross multiply
186,971,101.74x = 258,033,472.16 × 103,337,435.07 - Step 4: Simplify right side
186,971,101.74x = 26,664,517,174,703,964 - Step 5: Solve for x
x = 26,664,517,174,703,964/186,971,101.74 - Step 6: Final answer
x = 142,613,039.80
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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.