Finding the Fourth Proportional to 237,657,115.74, 356,234,072.82 and 79,939,988.66
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Solution
The fourth proportional to 237,657,115.74, 356,234,072.82 and 79,939,988.66 is: 119,825,352.81
Step by Step Solution
- Step 1: Write the proportion equation
237,657,115.74 : 356,234,072.82 = 79,939,988.66 : x - Step 2: Convert to fraction form
237,657,115.74/356,234,072.82 = 79,939,988.66/x - Step 3: Cross multiply
237,657,115.74x = 356,234,072.82 × 79,939,988.66 - Step 4: Simplify right side
237,657,115.74x = 28,477,347,741,536,412 - Step 5: Solve for x
x = 28,477,347,741,536,412/237,657,115.74 - Step 6: Final answer
x = 119,825,352.81
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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.