Finding the Fourth Proportional to 81,656,095.11, 112,609,719.13 and 59,594,649.99
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Solution
The fourth proportional to 81,656,095.11, 112,609,719.13 and 59,594,649.99 is: 82,185,374.99
Step by Step Solution
- Step 1: Write the proportion equation
81,656,095.11 : 112,609,719.13 = 59,594,649.99 : x - Step 2: Convert to fraction form
81,656,095.11/112,609,719.13 = 59,594,649.99/x - Step 3: Cross multiply
81,656,095.11x = 112,609,719.13 × 59,594,649.99 - Step 4: Simplify right side
81,656,095.11x = 6,710,936,797,024,557 - Step 5: Solve for x
x = 6,710,936,797,024,557/81,656,095.11 - Step 6: Final answer
x = 82,185,374.99
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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.