Finding the Fourth Proportional to 91,756,843.20, 137,794,697.10 and 48,710,122.20
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Solution
The fourth proportional to 91,756,843.20, 137,794,697.10 and 48,710,122.20 is: 73,149,819.68
Step by Step Solution
- Step 1: Write the proportion equation
91,756,843.20 : 137,794,697.10 = 48,710,122.20 : x - Step 2: Convert to fraction form
91,756,843.20/137,794,697.10 = 48,710,122.20/x - Step 3: Cross multiply
91,756,843.20x = 137,794,697.10 × 48,710,122.20 - Step 4: Simplify right side
91,756,843.20x = 6,711,996,534,252,986 - Step 5: Solve for x
x = 6,711,996,534,252,986/91,756,843.20 - Step 6: Final answer
x = 73,149,819.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.