Finding the Fourth Proportional to 67,663,428.90, 93,375,621.99 and 36,723,598.19
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Solution
The fourth proportional to 67,663,428.90, 93,375,621.99 and 36,723,598.19 is: 50,678,614.40
Step by Step Solution
- Step 1: Write the proportion equation
67,663,428.90 : 93,375,621.99 = 36,723,598.19 : x - Step 2: Convert to fraction form
67,663,428.90/93,375,621.99 = 36,723,598.19/x - Step 3: Cross multiply
67,663,428.90x = 93,375,621.99 × 36,723,598.19 - Step 4: Simplify right side
67,663,428.90x = 3,429,088,822,235,210 - Step 5: Solve for x
x = 3,429,088,822,235,210/67,663,428.90 - Step 6: Final answer
x = 50,678,614.40
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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.