Finding the Fourth Proportional to 88,068,478.80, 132,102,718.20 and 63,756,037.20
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Solution
The fourth proportional to 88,068,478.80, 132,102,718.20 and 63,756,037.20 is: 95,634,055.80
Step by Step Solution
- Step 1: Write the proportion equation
88,068,478.80 : 132,102,718.20 = 63,756,037.20 : x - Step 2: Convert to fraction form
88,068,478.80/132,102,718.20 = 63,756,037.20/x - Step 3: Cross multiply
88,068,478.80x = 132,102,718.20 × 63,756,037.20 - Step 4: Simplify right side
88,068,478.80x = 8,422,345,815,780,318 - Step 5: Solve for x
x = 8,422,345,815,780,318/88,068,478.80 - Step 6: Final answer
x = 95,634,055.80
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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.