Finding the Fourth Proportional to 88,061,206.60, 132,091,809.90 and 47,246,537.80
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Solution
The fourth proportional to 88,061,206.60, 132,091,809.90 and 47,246,537.80 is: 70,869,806.70
Step by Step Solution
- Step 1: Write the proportion equation
88,061,206.60 : 132,091,809.90 = 47,246,537.80 : x - Step 2: Convert to fraction form
88,061,206.60/132,091,809.90 = 47,246,537.80/x - Step 3: Cross multiply
88,061,206.60x = 132,091,809.90 × 47,246,537.80 - Step 4: Simplify right side
88,061,206.60x = 6,240,880,689,510,764 - Step 5: Solve for x
x = 6,240,880,689,510,764/88,061,206.60 - Step 6: Final answer
x = 70,869,806.70
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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.