Finding the Fourth Proportional to 140,364,043.80, 210,560,135.40 and 48,235,648.20
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Solution
The fourth proportional to 140,364,043.80, 210,560,135.40 and 48,235,648.20 is: 72,358,307.31
Step by Step Solution
- Step 1: Write the proportion equation
140,364,043.80 : 210,560,135.40 = 48,235,648.20 : x - Step 2: Convert to fraction form
140,364,043.80/210,560,135.40 = 48,235,648.20/x - Step 3: Cross multiply
140,364,043.80x = 210,560,135.40 × 48,235,648.20 - Step 4: Simplify right side
140,364,043.80x = 10,156,504,616,098,768 - Step 5: Solve for x
x = 10,156,504,616,098,768/140,364,043.80 - Step 6: Final answer
x = 72,358,307.31
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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.