Finding the Fourth Proportional to 106,876,385.84, 147,488,796.60 and 57,982,764.08
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Solution
The fourth proportional to 106,876,385.84, 147,488,796.60 and 57,982,764.08 is: 80,015,880.31
Step by Step Solution
- Step 1: Write the proportion equation
106,876,385.84 : 147,488,796.60 = 57,982,764.08 : x - Step 2: Convert to fraction form
106,876,385.84/147,488,796.60 = 57,982,764.08/x - Step 3: Cross multiply
106,876,385.84x = 147,488,796.60 × 57,982,764.08 - Step 4: Simplify right side
106,876,385.84x = 8,551,808,097,700,906 - Step 5: Solve for x
x = 8,551,808,097,700,906/106,876,385.84 - Step 6: Final answer
x = 80,015,880.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.