Finding the Fourth Proportional to 186,776,171.92, 257,748,426.71 and 103,147,841.09
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Solution
The fourth proportional to 186,776,171.92, 257,748,426.71 and 103,147,841.09 is: 142,342,534.84
Step by Step Solution
- Step 1: Write the proportion equation
186,776,171.92 : 257,748,426.71 = 103,147,841.09 : x - Step 2: Convert to fraction form
186,776,171.92/257,748,426.71 = 103,147,841.09/x - Step 3: Cross multiply
186,776,171.92x = 257,748,426.71 × 103,147,841.09 - Step 4: Simplify right side
186,776,171.92x = 26,586,193,759,480,592 - Step 5: Solve for x
x = 26,586,193,759,480,592/186,776,171.92 - Step 6: Final answer
x = 142,342,534.84
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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.