Finding the Fourth Proportional to 163,512,986.49, 245,170,689.46 and 65,159,823.92
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Solution
The fourth proportional to 163,512,986.49, 245,170,689.46 and 65,159,823.92 is: 97,700,368.01
Step by Step Solution
- Step 1: Write the proportion equation
163,512,986.49 : 245,170,689.46 = 65,159,823.92 : x - Step 2: Convert to fraction form
163,512,986.49/245,170,689.46 = 65,159,823.92/x - Step 3: Cross multiply
163,512,986.49x = 245,170,689.46 × 65,159,823.92 - Step 4: Simplify right side
163,512,986.49x = 15,975,278,954,169,848 - Step 5: Solve for x
x = 15,975,278,954,169,848/163,512,986.49 - Step 6: Final answer
x = 97,700,368.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.