Finding the Fourth Proportional to 61,103,630.97, 84,545,058.99 and 53,279,447.45
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Solution
The fourth proportional to 61,103,630.97, 84,545,058.99 and 53,279,447.45 is: 73,719,252.94
Step by Step Solution
- Step 1: Write the proportion equation
61,103,630.97 : 84,545,058.99 = 53,279,447.45 : x - Step 2: Convert to fraction form
61,103,630.97/84,545,058.99 = 53,279,447.45/x - Step 3: Cross multiply
61,103,630.97x = 84,545,058.99 × 53,279,447.45 - Step 4: Simplify right side
61,103,630.97x = 4,504,514,027,358,487 - Step 5: Solve for x
x = 4,504,514,027,358,487/61,103,630.97 - Step 6: Final answer
x = 73,719,252.94
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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.