Finding the Fourth Proportional to 170,526,417.60, 255,495,693.60 and 79,463,236.80
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Solution
The fourth proportional to 170,526,417.60, 255,495,693.60 and 79,463,236.80 is: 119,057,886.09
Step by Step Solution
- Step 1: Write the proportion equation
170,526,417.60 : 255,495,693.60 = 79,463,236.80 : x - Step 2: Convert to fraction form
170,526,417.60/255,495,693.60 = 79,463,236.80/x - Step 3: Cross multiply
170,526,417.60x = 255,495,693.60 × 79,463,236.80 - Step 4: Simplify right side
170,526,417.60x = 20,302,514,801,917,044 - Step 5: Solve for x
x = 20,302,514,801,917,044/170,526,417.60 - Step 6: Final answer
x = 119,057,886.09
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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.