Finding the Fourth Proportional to 186,271,918.36, 257,043,663.21 and 102,635,368.56
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Solution
The fourth proportional to 186,271,918.36, 257,043,663.21 and 102,635,368.56 is: 141,630,425.79
Step by Step Solution
- Step 1: Write the proportion equation
186,271,918.36 : 257,043,663.21 = 102,635,368.56 : x - Step 2: Convert to fraction form
186,271,918.36/257,043,663.21 = 102,635,368.56/x - Step 3: Cross multiply
186,271,918.36x = 257,043,663.21 × 102,635,368.56 - Step 4: Simplify right side
186,271,918.36x = 26,381,771,109,057,688 - Step 5: Solve for x
x = 26,381,771,109,057,688/186,271,918.36 - Step 6: Final answer
x = 141,630,425.79
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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.