Finding the Fourth Proportional to 74,287,869.24, 102,517,457.16 and 41,248,179.84
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Solution
The fourth proportional to 74,287,869.24, 102,517,457.16 and 41,248,179.84 is: 56,922,597.90
Step by Step Solution
- Step 1: Write the proportion equation
74,287,869.24 : 102,517,457.16 = 41,248,179.84 : x - Step 2: Convert to fraction form
74,287,869.24/102,517,457.16 = 41,248,179.84/x - Step 3: Cross multiply
74,287,869.24x = 102,517,457.16 × 41,248,179.84 - Step 4: Simplify right side
74,287,869.24x = 4,228,658,509,675,176 - Step 5: Solve for x
x = 4,228,658,509,675,176/74,287,869.24 - Step 6: Final answer
x = 56,922,597.90
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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.