Finding the Fourth Proportional to 163,685,238.68, 225,851,909.36 and 94,057,167.44
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Solution
The fourth proportional to 163,685,238.68, 225,851,909.36 and 94,057,167.44 is: 129,779,514.80
Step by Step Solution
- Step 1: Write the proportion equation
163,685,238.68 : 225,851,909.36 = 94,057,167.44 : x - Step 2: Convert to fraction form
163,685,238.68/225,851,909.36 = 94,057,167.44/x - Step 3: Cross multiply
163,685,238.68x = 225,851,909.36 × 94,057,167.44 - Step 4: Simplify right side
163,685,238.68x = 21,242,990,855,317,224 - Step 5: Solve for x
x = 21,242,990,855,317,224/163,685,238.68 - Step 6: Final answer
x = 129,779,514.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.