Finding the Fourth Proportional to 66,413,647.20, 99,639,133.20 and 32,336,104.80
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Solution
The fourth proportional to 66,413,647.20, 99,639,133.20 and 32,336,104.80 is: 48,513,243.73
Step by Step Solution
- Step 1: Write the proportion equation
66,413,647.20 : 99,639,133.20 = 32,336,104.80 : x - Step 2: Convert to fraction form
66,413,647.20/99,639,133.20 = 32,336,104.80/x - Step 3: Cross multiply
66,413,647.20x = 99,639,133.20 × 32,336,104.80 - Step 4: Simplify right side
66,413,647.20x = 3,221,941,453,336,359.50 - Step 5: Solve for x
x = 3,221,941,453,336,359.50/66,413,647.20 - Step 6: Final answer
x = 48,513,243.73
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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.