Finding the Fourth Proportional to 81,925,845,244.78, 122,887,415,884.18 and 24,492,813,453.79
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Solution
The fourth proportional to 81,925,845,244.78, 122,887,415,884.18 and 24,492,813,453.79 is: 36,738,815,987.52
Step by Step Solution
- Step 1: Write the proportion equation
81,925,845,244.78 : 122,887,415,884.18 = 24,492,813,453.79 : x - Step 2: Convert to fraction form
81,925,845,244.78/122,887,415,884.18 = 24,492,813,453.79/x - Step 3: Cross multiply
81,925,845,244.78x = 122,887,415,884.18 × 24,492,813,453.79 - Step 4: Simplify right side
81,925,845,244.78x = 3,009,858,553,069,653,458,944 - Step 5: Solve for x
x = 3,009,858,553,069,653,458,944/81,925,845,244.78 - Step 6: Final answer
x = 36,738,815,987.52
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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.