Finding the Fourth Proportional to 117,514,937.40, 176,272,406.10 and 71,530,783.80
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Solution
The fourth proportional to 117,514,937.40, 176,272,406.10 and 71,530,783.80 is: 107,296,175.70
Step by Step Solution
- Step 1: Write the proportion equation
117,514,937.40 : 176,272,406.10 = 71,530,783.80 : x - Step 2: Convert to fraction form
117,514,937.40/176,272,406.10 = 71,530,783.80/x - Step 3: Cross multiply
117,514,937.40x = 176,272,406.10 × 71,530,783.80 - Step 4: Simplify right side
117,514,937.40x = 12,608,903,370,644,900 - Step 5: Solve for x
x = 12,608,903,370,644,900/117,514,937.40 - Step 6: Final answer
x = 107,296,175.70
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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.