Finding the Fourth Proportional to 53,702,357.80, 80,553,536.70 and 45,304,277.80
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Solution
The fourth proportional to 53,702,357.80, 80,553,536.70 and 45,304,277.80 is: 67,956,416.70
Step by Step Solution
- Step 1: Write the proportion equation
53,702,357.80 : 80,553,536.70 = 45,304,277.80 : x - Step 2: Convert to fraction form
53,702,357.80/80,553,536.70 = 45,304,277.80/x - Step 3: Cross multiply
53,702,357.80x = 80,553,536.70 × 45,304,277.80 - Step 4: Simplify right side
53,702,357.80x = 3,649,419,804,429,295 - Step 5: Solve for x
x = 3,649,419,804,429,295/53,702,357.80 - Step 6: Final answer
x = 67,956,416.70
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1.5x scale
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.