Finding the Fourth Proportional to 81,916,630.96, 113,042,792.28 and 45,246,414.64
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Solution
The fourth proportional to 81,916,630.96, 113,042,792.28 and 45,246,414.64 is: 62,438,859.99
Step by Step Solution
- Step 1: Write the proportion equation
81,916,630.96 : 113,042,792.28 = 45,246,414.64 : x - Step 2: Convert to fraction form
81,916,630.96/113,042,792.28 = 45,246,414.64/x - Step 3: Cross multiply
81,916,630.96x = 113,042,792.28 × 45,246,414.64 - Step 4: Simplify right side
81,916,630.96x = 5,114,781,051,564,271 - Step 5: Solve for x
x = 5,114,781,051,564,271/81,916,630.96 - Step 6: Final answer
x = 62,438,859.99
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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.