Finding the Fourth Proportional to 64,715,902.95, 97,087,487.87 and 20,993,247.47
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Solution
The fourth proportional to 64,715,902.95, 97,087,487.87 and 20,993,247.47 is: 31,494,293.77
Step by Step Solution
- Step 1: Write the proportion equation
64,715,902.95 : 97,087,487.87 = 20,993,247.47 : x - Step 2: Convert to fraction form
64,715,902.95/97,087,487.87 = 20,993,247.47/x - Step 3: Cross multiply
64,715,902.95x = 97,087,487.87 × 20,993,247.47 - Step 4: Simplify right side
64,715,902.95x = 2,038,181,659,390,735 - Step 5: Solve for x
x = 2,038,181,659,390,735/64,715,902.95 - Step 6: Final answer
x = 31,494,293.77
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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.