Finding the Fourth Proportional to 117,515,310.80, 176,330,897.40 and 52,864,869.20
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Solution
The fourth proportional to 117,515,310.80, 176,330,897.40 and 52,864,869.20 is: 79,323,364.45
Step by Step Solution
- Step 1: Write the proportion equation
117,515,310.80 : 176,330,897.40 = 52,864,869.20 : x - Step 2: Convert to fraction form
117,515,310.80/176,330,897.40 = 52,864,869.20/x - Step 3: Cross multiply
117,515,310.80x = 176,330,897.40 × 52,864,869.20 - Step 4: Simplify right side
117,515,310.80x = 9,321,709,826,969,620 - Step 5: Solve for x
x = 9,321,709,826,969,620/117,515,310.80 - Step 6: Final answer
x = 79,323,364.45
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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.