Finding the Fourth Proportional to 81,684,083.83, 112,724,059.11 and 44,514,374.53
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Solution
The fourth proportional to 81,684,083.83, 112,724,059.11 and 44,514,374.53 is: 61,429,849.62
Step by Step Solution
- Step 1: Write the proportion equation
81,684,083.83 : 112,724,059.11 = 44,514,374.53 : x - Step 2: Convert to fraction form
81,684,083.83/112,724,059.11 = 44,514,374.53/x - Step 3: Cross multiply
81,684,083.83x = 112,724,059.11 × 44,514,374.53 - Step 4: Simplify right side
81,684,083.83x = 5,017,840,985,764,399 - Step 5: Solve for x
x = 5,017,840,985,764,399/81,684,083.83 - Step 6: Final answer
x = 61,429,849.62
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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.