Finding the Fourth Proportional to 227,537,202.72, 314,001,136.80 and 128,438,808.96
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Solution
The fourth proportional to 227,537,202.72, 314,001,136.80 and 128,438,808.96 is: 177,245,441.80
Step by Step Solution
- Step 1: Write the proportion equation
227,537,202.72 : 314,001,136.80 = 128,438,808.96 : x - Step 2: Convert to fraction form
227,537,202.72/314,001,136.80 = 128,438,808.96/x - Step 3: Cross multiply
227,537,202.72x = 314,001,136.80 × 128,438,808.96 - Step 4: Simplify right side
227,537,202.72x = 40,329,932,022,678,024 - Step 5: Solve for x
x = 40,329,932,022,678,024/227,537,202.72 - Step 6: Final answer
x = 177,245,441.80
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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.