Finding the Fourth Proportional to 81,752,802.66, 122,629,646.79 and 24,245,572.08
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Solution
The fourth proportional to 81,752,802.66, 122,629,646.79 and 24,245,572.08 is: 36,368,489.44
Step by Step Solution
- Step 1: Write the proportion equation
81,752,802.66 : 122,629,646.79 = 24,245,572.08 : x - Step 2: Convert to fraction form
81,752,802.66/122,629,646.79 = 24,245,572.08/x - Step 3: Cross multiply
81,752,802.66x = 122,629,646.79 × 24,245,572.08 - Step 4: Simplify right side
81,752,802.66x = 2,973,225,940,391,885.50 - Step 5: Solve for x
x = 2,973,225,940,391,885.50/81,752,802.66 - Step 6: Final answer
x = 36,368,489.44
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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.