Finding the Fourth Proportional to 186,693,082.18, 257,629,701.06 and 103,059,417.10
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Solution
The fourth proportional to 186,693,082.18, 257,629,701.06 and 103,059,417.10 is: 142,218,268.12
Step by Step Solution
- Step 1: Write the proportion equation
186,693,082.18 : 257,629,701.06 = 103,059,417.10 : x - Step 2: Convert to fraction form
186,693,082.18/257,629,701.06 = 103,059,417.10/x - Step 3: Cross multiply
186,693,082.18x = 257,629,701.06 × 103,059,417.10 - Step 4: Simplify right side
186,693,082.18x = 26,551,166,817,602,704 - Step 5: Solve for x
x = 26,551,166,817,602,704/186,693,082.18 - Step 6: Final answer
x = 142,218,268.12
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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.