Finding the Fourth Proportional to 74,922,557.06, 112,381,269.50 and 31,763,968.58
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Solution
The fourth proportional to 74,922,557.06, 112,381,269.50 and 31,763,968.58 is: 47,644,864.96
Step by Step Solution
- Step 1: Write the proportion equation
74,922,557.06 : 112,381,269.50 = 31,763,968.58 : x - Step 2: Convert to fraction form
74,922,557.06/112,381,269.50 = 31,763,968.58/x - Step 3: Cross multiply
74,922,557.06x = 112,381,269.50 × 31,763,968.58 - Step 4: Simplify right side
74,922,557.06x = 3,569,675,113,378,512 - Step 5: Solve for x
x = 3,569,675,113,378,512/74,922,557.06 - Step 6: Final answer
x = 47,644,864.96
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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.