Finding the Fourth Proportional to 75,613,952.80, 113,420,929.20 and 37,293,824.80
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Solution
The fourth proportional to 75,613,952.80, 113,420,929.20 and 37,293,824.80 is: 55,940,737.20
Step by Step Solution
- Step 1: Write the proportion equation
75,613,952.80 : 113,420,929.20 = 37,293,824.80 : x - Step 2: Convert to fraction form
75,613,952.80/113,420,929.20 = 37,293,824.80/x - Step 3: Cross multiply
75,613,952.80x = 113,420,929.20 × 37,293,824.80 - Step 4: Simplify right side
75,613,952.80x = 4,229,900,262,238,004 - Step 5: Solve for x
x = 4,229,900,262,238,004/75,613,952.80 - Step 6: Final answer
x = 55,940,737.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.