Finding the Fourth Proportional to 67,129,417.80, 100,743,893.10 and 44,402,761.80
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Solution
The fourth proportional to 67,129,417.80, 100,743,893.10 and 44,402,761.80 is: 66,637,060.69
Step by Step Solution
- Step 1: Write the proportion equation
67,129,417.80 : 100,743,893.10 = 44,402,761.80 : x - Step 2: Convert to fraction form
67,129,417.80/100,743,893.10 = 44,402,761.80/x - Step 3: Cross multiply
67,129,417.80x = 100,743,893.10 × 44,402,761.80 - Step 4: Simplify right side
67,129,417.80x = 4,473,307,088,123,963 - Step 5: Solve for x
x = 4,473,307,088,123,963/67,129,417.80 - Step 6: Final answer
x = 66,637,060.69
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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.