Finding the Fourth Proportional to 81,860,335.68, 112,960,471.68 and 46,568,750.76
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Solution
The fourth proportional to 81,860,335.68, 112,960,471.68 and 46,568,750.76 is: 64,261,012.46
Step by Step Solution
- Step 1: Write the proportion equation
81,860,335.68 : 112,960,471.68 = 46,568,750.76 : x - Step 2: Convert to fraction form
81,860,335.68/112,960,471.68 = 46,568,750.76/x - Step 3: Cross multiply
81,860,335.68x = 112,960,471.68 × 46,568,750.76 - Step 4: Simplify right side
81,860,335.68x = 5,260,428,051,397,959 - Step 5: Solve for x
x = 5,260,428,051,397,959/81,860,335.68 - Step 6: Final answer
x = 64,261,012.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.