Finding the Fourth Proportional to 68,121,489.57, 102,227,364.47 and 37,437,496.84
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Solution
The fourth proportional to 68,121,489.57, 102,227,364.47 and 37,437,496.84 is: 56,181,047.40
Step by Step Solution
- Step 1: Write the proportion equation
68,121,489.57 : 102,227,364.47 = 37,437,496.84 : x - Step 2: Convert to fraction form
68,121,489.57/102,227,364.47 = 37,437,496.84/x - Step 3: Cross multiply
68,121,489.57x = 102,227,364.47 × 37,437,496.84 - Step 4: Simplify right side
68,121,489.57x = 3,827,136,634,307,153.50 - Step 5: Solve for x
x = 3,827,136,634,307,153.50/68,121,489.57 - Step 6: Final answer
x = 56,181,047.40
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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.