Finding the Fourth Proportional to 68,118,561.57, 102,191,324.12 and 24,988,141.65
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Solution
The fourth proportional to 68,118,561.57, 102,191,324.12 and 24,988,141.65 is: 37,487,158.03
Step by Step Solution
- Step 1: Write the proportion equation
68,118,561.57 : 102,191,324.12 = 24,988,141.65 : x - Step 2: Convert to fraction form
68,118,561.57/102,191,324.12 = 24,988,141.65/x - Step 3: Cross multiply
68,118,561.57x = 102,191,324.12 × 24,988,141.65 - Step 4: Simplify right side
68,118,561.57x = 2,553,571,282,386,680.50 - Step 5: Solve for x
x = 2,553,571,282,386,680.50/68,118,561.57 - Step 6: Final answer
x = 37,487,158.03
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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.