Finding the Fourth Proportional to 73,811,612.80, 110,717,419.20 and 30,711,747.70
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Solution
The fourth proportional to 73,811,612.80, 110,717,419.20 and 30,711,747.70 is: 46,067,621.55
Step by Step Solution
- Step 1: Write the proportion equation
73,811,612.80 : 110,717,419.20 = 30,711,747.70 : x - Step 2: Convert to fraction form
73,811,612.80/110,717,419.20 = 30,711,747.70/x - Step 3: Cross multiply
73,811,612.80x = 110,717,419.20 × 30,711,747.70 - Step 4: Simplify right side
73,811,612.80x = 3,400,325,444,465,536 - Step 5: Solve for x
x = 3,400,325,444,465,536/73,811,612.80 - Step 6: Final answer
x = 46,067,621.55
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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.