Finding the Fourth Proportional to 102,228,811.88, 153,343,217.84 and 30,425,227.88
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Solution
The fourth proportional to 102,228,811.88, 153,343,217.84 and 30,425,227.88 is: 45,637,841.82
Step by Step Solution
- Step 1: Write the proportion equation
102,228,811.88 : 153,343,217.84 = 30,425,227.88 : x - Step 2: Convert to fraction form
102,228,811.88/153,343,217.84 = 30,425,227.88/x - Step 3: Cross multiply
102,228,811.88x = 153,343,217.84 × 30,425,227.88 - Step 4: Simplify right side
102,228,811.88x = 4,665,502,345,715,639 - Step 5: Solve for x
x = 4,665,502,345,715,639/102,228,811.88 - Step 6: Final answer
x = 45,637,841.82
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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.