Finding the Fourth Proportional to 115,900,851.10, 173,851,276.65 and 69,984,348.70
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Solution
The fourth proportional to 115,900,851.10, 173,851,276.65 and 69,984,348.70 is: 104,976,523.05
Step by Step Solution
- Step 1: Write the proportion equation
115,900,851.10 : 173,851,276.65 = 69,984,348.70 : x - Step 2: Convert to fraction form
115,900,851.10/173,851,276.65 = 69,984,348.70/x - Step 3: Cross multiply
115,900,851.10x = 173,851,276.65 × 69,984,348.70 - Step 4: Simplify right side
115,900,851.10x = 12,166,868,367,013,768 - Step 5: Solve for x
x = 12,166,868,367,013,768/115,900,851.10 - Step 6: Final answer
x = 104,976,523.05
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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.