Finding the Fourth Proportional to 99,692,957.70, 139,771,694.70 and 99,692,957.70
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Solution
The fourth proportional to 99,692,957.70, 139,771,694.70 and 99,692,957.70 is: 139,771,694.70
Step by Step Solution
- Step 1: Write the proportion equation
99,692,957.70 : 139,771,694.70 = 99,692,957.70 : x - Step 2: Convert to fraction form
99,692,957.70/139,771,694.70 = 99,692,957.70/x - Step 3: Cross multiply
99,692,957.70x = 139,771,694.70 × 99,692,957.70 - Step 4: Simplify right side
99,692,957.70x = 13,934,253,647,384,414 - Step 5: Solve for x
x = 13,934,253,647,384,414/99,692,957.70 - Step 6: Final answer
x = 139,771,694.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.