Finding the Fourth Proportional to 67,543,647.26, 93,210,312.89 and 36,603,816.53
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Solution
The fourth proportional to 67,543,647.26, 93,210,312.89 and 36,603,816.53 is: 50,513,309.99
Step by Step Solution
- Step 1: Write the proportion equation
67,543,647.26 : 93,210,312.89 = 36,603,816.53 : x - Step 2: Convert to fraction form
67,543,647.26/93,210,312.89 = 36,603,816.53/x - Step 3: Cross multiply
67,543,647.26x = 93,210,312.89 × 36,603,816.53 - Step 4: Simplify right side
67,543,647.26x = 3,411,853,191,354,912 - Step 5: Solve for x
x = 3,411,853,191,354,912/67,543,647.26 - Step 6: Final answer
x = 50,513,309.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.