Finding the Fourth Proportional to 51,138,242.45, 70,553,269.84 and 29,106,229.49
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Solution
The fourth proportional to 51,138,242.45, 70,553,269.84 and 29,106,229.49 is: 40,156,633.56
Step by Step Solution
- Step 1: Write the proportion equation
51,138,242.45 : 70,553,269.84 = 29,106,229.49 : x - Step 2: Convert to fraction form
51,138,242.45/70,553,269.84 = 29,106,229.49/x - Step 3: Cross multiply
51,138,242.45x = 70,553,269.84 × 29,106,229.49 - Step 4: Simplify right side
51,138,242.45x = 2,053,539,663,202,249 - Step 5: Solve for x
x = 2,053,539,663,202,249/51,138,242.45 - Step 6: Final answer
x = 40,156,633.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.