Finding the Fourth Proportional to 64,683,447.40, 97,025,171.10 and 53,204,321.80
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Solution
The fourth proportional to 64,683,447.40, 97,025,171.10 and 53,204,321.80 is: 79,806,482.70
Step by Step Solution
- Step 1: Write the proportion equation
64,683,447.40 : 97,025,171.10 = 53,204,321.80 : x - Step 2: Convert to fraction form
64,683,447.40/97,025,171.10 = 53,204,321.80/x - Step 3: Cross multiply
64,683,447.40x = 97,025,171.10 × 53,204,321.80 - Step 4: Simplify right side
64,683,447.40x = 5,162,158,425,904,459 - Step 5: Solve for x
x = 5,162,158,425,904,459/64,683,447.40 - Step 6: Final answer
x = 79,806,482.70
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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.