Finding the Fourth Proportional to 186,776,174.31, 257,748,429.99 and 103,147,843.47
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Solution
The fourth proportional to 186,776,174.31, 257,748,429.99 and 103,147,843.47 is: 142,342,538.12
Step by Step Solution
- Step 1: Write the proportion equation
186,776,174.31 : 257,748,429.99 = 103,147,843.47 : x - Step 2: Convert to fraction form
186,776,174.31/257,748,429.99 = 103,147,843.47/x - Step 3: Cross multiply
186,776,174.31x = 257,748,429.99 × 103,147,843.47 - Step 4: Simplify right side
186,776,174.31x = 26,586,194,711,246,776 - Step 5: Solve for x
x = 26,586,194,711,246,776/186,776,174.31 - Step 6: Final answer
x = 142,342,538.12
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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.