Finding the Fourth Proportional to 53,169,638.36, 79,755,090.44 and 14,828,819.72
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Solution
The fourth proportional to 53,169,638.36, 79,755,090.44 and 14,828,819.72 is: 22,243,406.09
Step by Step Solution
- Step 1: Write the proportion equation
53,169,638.36 : 79,755,090.44 = 14,828,819.72 : x - Step 2: Convert to fraction form
53,169,638.36/79,755,090.44 = 14,828,819.72/x - Step 3: Cross multiply
53,169,638.36x = 79,755,090.44 × 14,828,819.72 - Step 4: Simplify right side
53,169,638.36x = 1,182,673,857,887,055.50 - Step 5: Solve for x
x = 1,182,673,857,887,055.50/53,169,638.36 - Step 6: Final answer
x = 22,243,406.09
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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.