Finding the Fourth Proportional to 198,790,988.17, 298,175,266.99 and 88,094,775.73
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Solution
The fourth proportional to 198,790,988.17, 298,175,266.99 and 88,094,775.73 is: 132,137,193.52
Step by Step Solution
- Step 1: Write the proportion equation
198,790,988.17 : 298,175,266.99 = 88,094,775.73 : x - Step 2: Convert to fraction form
198,790,988.17/298,175,266.99 = 88,094,775.73/x - Step 3: Cross multiply
198,790,988.17x = 298,175,266.99 × 88,094,775.73 - Step 4: Simplify right side
198,790,988.17x = 26,267,683,273,716,924 - Step 5: Solve for x
x = 26,267,683,273,716,924/198,790,988.17 - Step 6: Final answer
x = 132,137,193.52
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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.