Finding the Fourth Proportional to 73,488,689.80, 110,233,034.70 and 30,343,553.80
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Solution
The fourth proportional to 73,488,689.80, 110,233,034.70 and 30,343,553.80 is: 45,515,330.70
Step by Step Solution
- Step 1: Write the proportion equation
73,488,689.80 : 110,233,034.70 = 30,343,553.80 : x - Step 2: Convert to fraction form
73,488,689.80/110,233,034.70 = 30,343,553.80/x - Step 3: Cross multiply
73,488,689.80x = 110,233,034.70 × 30,343,553.80 - Step 4: Simplify right side
73,488,689.80x = 3,344,862,018,956,717 - Step 5: Solve for x
x = 3,344,862,018,956,717/73,488,689.80 - Step 6: Final answer
x = 45,515,330.70
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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.