Finding the Fourth Proportional to 186,846,233.46, 257,842,804.61 and 103,212,564.14
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Solution
The fourth proportional to 186,846,233.46, 257,842,804.61 and 103,212,564.14 is: 142,430,577.88
Step by Step Solution
- Step 1: Write the proportion equation
186,846,233.46 : 257,842,804.61 = 103,212,564.14 : x - Step 2: Convert to fraction form
186,846,233.46/257,842,804.61 = 103,212,564.14/x - Step 3: Cross multiply
186,846,233.46x = 257,842,804.61 × 103,212,564.14 - Step 4: Simplify right side
186,846,233.46x = 26,612,617,007,041,836 - Step 5: Solve for x
x = 26,612,617,007,041,836/186,846,233.46 - Step 6: Final answer
x = 142,430,577.88
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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.