Finding the Fourth Proportional to 73,454,575.80, 110,181,863.70 and 39,442,351.80
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Solution
The fourth proportional to 73,454,575.80, 110,181,863.70 and 39,442,351.80 is: 59,163,527.70
Step by Step Solution
- Step 1: Write the proportion equation
73,454,575.80 : 110,181,863.70 = 39,442,351.80 : x - Step 2: Convert to fraction form
73,454,575.80/110,181,863.70 = 39,442,351.80/x - Step 3: Cross multiply
73,454,575.80x = 110,181,863.70 × 39,442,351.80 - Step 4: Simplify right side
73,454,575.80x = 4,345,831,830,035,049.50 - Step 5: Solve for x
x = 4,345,831,830,035,049.50/73,454,575.80 - Step 6: Final answer
x = 59,163,527.70
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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.