Finding the Fourth Proportional to 124,699,553.80, 187,049,330.70 and 122,573,789.80
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Solution
The fourth proportional to 124,699,553.80, 187,049,330.70 and 122,573,789.80 is: 183,860,684.70
Step by Step Solution
- Step 1: Write the proportion equation
124,699,553.80 : 187,049,330.70 = 122,573,789.80 : x - Step 2: Convert to fraction form
124,699,553.80/187,049,330.70 = 122,573,789.80/x - Step 3: Cross multiply
124,699,553.80x = 187,049,330.70 × 122,573,789.80 - Step 4: Simplify right side
124,699,553.80x = 22,927,345,343,452,484 - Step 5: Solve for x
x = 22,927,345,343,452,484/124,699,553.80 - Step 6: Final answer
x = 183,860,684.70
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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.