Finding the Fourth Proportional to 91,288,023,172.09, 125,977,620,178.05 and 50,642,935,699.83
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Solution
The fourth proportional to 91,288,023,172.09, 125,977,620,178.05 and 50,642,935,699.83 is: 69,887,333,481.49
Step by Step Solution
- Step 1: Write the proportion equation
91,288,023,172.09 : 125,977,620,178.05 = 50,642,935,699.83 : x - Step 2: Convert to fraction form
91,288,023,172.09/125,977,620,178.05 = 50,642,935,699.83/x - Step 3: Cross multiply
91,288,023,172.09x = 125,977,620,178.05 × 50,642,935,699.83 - Step 4: Simplify right side
91,288,023,172.09x = 6,379,876,518,293,962,489,856 - Step 5: Solve for x
x = 6,379,876,518,293,962,489,856/91,288,023,172.09 - Step 6: Final answer
x = 69,887,333,481.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.