Finding the Fourth Proportional to 81,159,101.66, 121,662,446.41 and 27,268,725.98
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Solution
The fourth proportional to 81,159,101.66, 121,662,446.41 and 27,268,725.98 is: 40,877,484.41
Step by Step Solution
- Step 1: Write the proportion equation
81,159,101.66 : 121,662,446.41 = 27,268,725.98 : x - Step 2: Convert to fraction form
81,159,101.66/121,662,446.41 = 27,268,725.98/x - Step 3: Cross multiply
81,159,101.66x = 121,662,446.41 × 27,268,725.98 - Step 4: Simplify right side
81,159,101.66x = 3,317,579,913,210,724.50 - Step 5: Solve for x
x = 3,317,579,913,210,724.50/81,159,101.66 - Step 6: Final answer
x = 40,877,484.41
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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.