Finding the Fourth Proportional to 81,082,547.12, 121,644,552.24 and 23,574,818.07
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Solution
The fourth proportional to 81,082,547.12, 121,644,552.24 and 23,574,818.07 is: 35,368,254.82
Step by Step Solution
- Step 1: Write the proportion equation
81,082,547.12 : 121,644,552.24 = 23,574,818.07 : x - Step 2: Convert to fraction form
81,082,547.12/121,644,552.24 = 23,574,818.07/x - Step 3: Cross multiply
81,082,547.12x = 121,644,552.24 × 23,574,818.07 - Step 4: Simplify right side
81,082,547.12x = 2,867,748,188,264,611 - Step 5: Solve for x
x = 2,867,748,188,264,611/81,082,547.12 - Step 6: Final answer
x = 35,368,254.82
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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.