Finding the Fourth Proportional to 54,053,136.72, 74,592,406.80 and 29,273,122.74
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Solution
The fourth proportional to 54,053,136.72, 74,592,406.80 and 29,273,122.74 is: 40,396,410.13
Step by Step Solution
- Step 1: Write the proportion equation
54,053,136.72 : 74,592,406.80 = 29,273,122.74 : x - Step 2: Convert to fraction form
54,053,136.72/74,592,406.80 = 29,273,122.74/x - Step 3: Cross multiply
54,053,136.72x = 74,592,406.80 × 29,273,122.74 - Step 4: Simplify right side
54,053,136.72x = 2,183,552,679,728,410.50 - Step 5: Solve for x
x = 2,183,552,679,728,410.50/54,053,136.72 - Step 6: Final answer
x = 40,396,410.13
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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.