Finding the Fourth Proportional to 91,288,023,170.84, 125,977,620,176.33 and 50,642,935,698.58
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Solution
The fourth proportional to 91,288,023,170.84, 125,977,620,176.33 and 50,642,935,698.58 is: 69,887,333,479.77
Step by Step Solution
- Step 1: Write the proportion equation
91,288,023,170.84 : 125,977,620,176.33 = 50,642,935,698.58 : x - Step 2: Convert to fraction form
91,288,023,170.84/125,977,620,176.33 = 50,642,935,698.58/x - Step 3: Cross multiply
91,288,023,170.84x = 125,977,620,176.33 × 50,642,935,698.58 - Step 4: Simplify right side
91,288,023,170.84x = 6,379,876,518,049,384,235,008 - Step 5: Solve for x
x = 6,379,876,518,049,384,235,008/91,288,023,170.84 - Step 6: Final answer
x = 69,887,333,479.77
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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.