Finding the Fourth Proportional to 68,467,728, 102,707,569.80 and 17,349,748.65
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Solution
The fourth proportional to 68,467,728, 102,707,569.80 and 17,349,748.65 is: 26,026,137.75
Step by Step Solution
- Step 1: Write the proportion equation
68,467,728 : 102,707,569.80 = 17,349,748.65 : x - Step 2: Convert to fraction form
68,467,728/102,707,569.80 = 17,349,748.65/x - Step 3: Cross multiply
68,467,728x = 102,707,569.80 × 17,349,748.65 - Step 4: Simplify right side
68,467,728x = 1,781,950,520,482,330.50 - Step 5: Solve for x
x = 1,781,950,520,482,330.50/68,467,728 - Step 6: Final answer
x = 26,026,137.75
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1.5x scale
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.