Finding the Fourth Proportional to 163,512,987.49, 245,170,690.96 and 65,159,824.92
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Solution
The fourth proportional to 163,512,987.49, 245,170,690.96 and 65,159,824.92 is: 97,700,369.52
Step by Step Solution
- Step 1: Write the proportion equation
163,512,987.49 : 245,170,690.96 = 65,159,824.92 : x - Step 2: Convert to fraction form
163,512,987.49/245,170,690.96 = 65,159,824.92/x - Step 3: Cross multiply
163,512,987.49x = 245,170,690.96 × 65,159,824.92 - Step 4: Simplify right side
163,512,987.49x = 15,975,279,298,469,028 - Step 5: Solve for x
x = 15,975,279,298,469,028/163,512,987.49 - Step 6: Final answer
x = 97,700,369.52
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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.