Finding the Fourth Proportional to 197,589,206.12, 272,672,834.49 and 109,488,907.31
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Solution
The fourth proportional to 197,589,206.12, 272,672,834.49 and 109,488,907.31 is: 151,094,542.50
Step by Step Solution
- Step 1: Write the proportion equation
197,589,206.12 : 272,672,834.49 = 109,488,907.31 : x - Step 2: Convert to fraction form
197,589,206.12/272,672,834.49 = 109,488,907.31/x - Step 3: Cross multiply
197,589,206.12x = 272,672,834.49 × 109,488,907.31 - Step 4: Simplify right side
197,589,206.12x = 29,854,650,700,067,220 - Step 5: Solve for x
x = 29,854,650,700,067,220/197,589,206.12 - Step 6: Final answer
x = 151,094,542.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.