Finding the Fourth Proportional to 72,310,293,864.66, 108,463,435,755.39 and 19,251,782,197.14
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Solution
The fourth proportional to 72,310,293,864.66, 108,463,435,755.39 and 19,251,782,197.14 is: 28,877,139,476.50
Step by Step Solution
- Step 1: Write the proportion equation
72,310,293,864.66 : 108,463,435,755.39 = 19,251,782,197.14 : x - Step 2: Convert to fraction form
72,310,293,864.66/108,463,435,755.39 = 19,251,782,197.14/x - Step 3: Cross multiply
72,310,293,864.66x = 108,463,435,755.39 × 19,251,782,197.14 - Step 4: Simplify right side
72,310,293,864.66x = 2,088,114,441,516,255,281,152 - Step 5: Solve for x
x = 2,088,114,441,516,255,281,152/72,310,293,864.66 - Step 6: Final answer
x = 28,877,139,476.50
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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.