Finding the Fourth Proportional to 65,954,328.20, 98,931,492.30 and 48,735,639.80
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Solution
The fourth proportional to 65,954,328.20, 98,931,492.30 and 48,735,639.80 is: 73,103,459.70
Step by Step Solution
- Step 1: Write the proportion equation
65,954,328.20 : 98,931,492.30 = 48,735,639.80 : x - Step 2: Convert to fraction form
65,954,328.20/98,931,492.30 = 48,735,639.80/x - Step 3: Cross multiply
65,954,328.20x = 98,931,492.30 × 48,735,639.80 - Step 4: Simplify right side
65,954,328.20x = 4,821,489,573,609,273 - Step 5: Solve for x
x = 4,821,489,573,609,273/65,954,328.20 - Step 6: Final answer
x = 73,103,459.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.