Finding the Fourth Proportional to 186,460,405.84, 257,364,986.96 and 110,145,521.28
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Solution
The fourth proportional to 186,460,405.84, 257,364,986.96 and 110,145,521.28 is: 152,030,134.87
Step by Step Solution
- Step 1: Write the proportion equation
186,460,405.84 : 257,364,986.96 = 110,145,521.28 : x - Step 2: Convert to fraction form
186,460,405.84/257,364,986.96 = 110,145,521.28/x - Step 3: Cross multiply
186,460,405.84x = 257,364,986.96 × 110,145,521.28 - Step 4: Simplify right side
186,460,405.84x = 28,347,600,647,929,604 - Step 5: Solve for x
x = 28,347,600,647,929,604/186,460,405.84 - Step 6: Final answer
x = 152,030,134.87
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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.