Finding the Fourth Proportional to 56,165,765.40, 84,248,648.10 and 49,788,473.40
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Solution
The fourth proportional to 56,165,765.40, 84,248,648.10 and 49,788,473.40 is: 74,682,710.10
Step by Step Solution
- Step 1: Write the proportion equation
56,165,765.40 : 84,248,648.10 = 49,788,473.40 : x - Step 2: Convert to fraction form
56,165,765.40/84,248,648.10 = 49,788,473.40/x - Step 3: Cross multiply
56,165,765.40x = 84,248,648.10 × 49,788,473.40 - Step 4: Simplify right side
56,165,765.40x = 4,194,611,574,912,810 - Step 5: Solve for x
x = 4,194,611,574,912,810/56,165,765.40 - Step 6: Final answer
x = 74,682,710.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.