Finding the Fourth Proportional to 106,162,290.39, 146,428,493.68 and 70,862,297.68
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Solution
The fourth proportional to 106,162,290.39, 146,428,493.68 and 70,862,297.68 is: 97,739,597.28
Step by Step Solution
- Step 1: Write the proportion equation
106,162,290.39 : 146,428,493.68 = 70,862,297.68 : x - Step 2: Convert to fraction form
106,162,290.39/146,428,493.68 = 70,862,297.68/x - Step 3: Cross multiply
106,162,290.39x = 146,428,493.68 × 70,862,297.68 - Step 4: Simplify right side
106,162,290.39x = 10,376,259,508,257,774 - Step 5: Solve for x
x = 10,376,259,508,257,774/106,162,290.39 - Step 6: Final answer
x = 97,739,597.28
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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.