Finding the Fourth Proportional to 81,023,310.02, 121,547,623.10 and 26,423,196.62
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Solution
The fourth proportional to 81,023,310.02, 121,547,623.10 and 26,423,196.62 is: 39,638,922.96
Step by Step Solution
- Step 1: Write the proportion equation
81,023,310.02 : 121,547,623.10 = 26,423,196.62 : x - Step 2: Convert to fraction form
81,023,310.02/121,547,623.10 = 26,423,196.62/x - Step 3: Cross multiply
81,023,310.02x = 121,547,623.10 × 26,423,196.62 - Step 4: Simplify right side
81,023,310.02x = 3,211,676,743,864,954 - Step 5: Solve for x
x = 3,211,676,743,864,954/81,023,310.02 - Step 6: Final answer
x = 39,638,922.96
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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.