Finding the Fourth Proportional to 68,121,491.57, 102,227,367.47 and 37,437,498.84
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Solution
The fourth proportional to 68,121,491.57, 102,227,367.47 and 37,437,498.84 is: 56,181,050.40
Step by Step Solution
- Step 1: Write the proportion equation
68,121,491.57 : 102,227,367.47 = 37,437,498.84 : x - Step 2: Convert to fraction form
68,121,491.57/102,227,367.47 = 37,437,498.84/x - Step 3: Cross multiply
68,121,491.57x = 102,227,367.47 × 37,437,498.84 - Step 4: Simplify right side
68,121,491.57x = 3,827,136,951,074,379 - Step 5: Solve for x
x = 3,827,136,951,074,379/68,121,491.57 - Step 6: Final answer
x = 56,181,050.40
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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.