Finding the Fourth Proportional to 74,816,689.40, 112,257,364.44 and 40,232,669.12
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Solution
The fourth proportional to 74,816,689.40, 112,257,364.44 and 40,232,669.12 is: 60,366,389.32
Step by Step Solution
- Step 1: Write the proportion equation
74,816,689.40 : 112,257,364.44 = 40,232,669.12 : x - Step 2: Convert to fraction form
74,816,689.40/112,257,364.44 = 40,232,669.12/x - Step 3: Cross multiply
74,816,689.40x = 112,257,364.44 × 40,232,669.12 - Step 4: Simplify right side
74,816,689.40x = 4,516,413,399,797,774 - Step 5: Solve for x
x = 4,516,413,399,797,774/74,816,689.40 - Step 6: Final answer
x = 60,366,389.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.