Finding the Fourth Proportional to 68,586,642.19, 102,856,900.70 and 24,858,246.99
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Solution
The fourth proportional to 68,586,642.19, 102,856,900.70 and 24,858,246.99 is: 37,279,011.78
Step by Step Solution
- Step 1: Write the proportion equation
68,586,642.19 : 102,856,900.70 = 24,858,246.99 : x - Step 2: Convert to fraction form
68,586,642.19/102,856,900.70 = 24,858,246.99/x - Step 3: Cross multiply
68,586,642.19x = 102,856,900.70 × 24,858,246.99 - Step 4: Simplify right side
68,586,642.19x = 2,556,842,242,487,925.50 - Step 5: Solve for x
x = 2,556,842,242,487,925.50/68,586,642.19 - Step 6: Final answer
x = 37,279,011.78
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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.