Finding the Fourth Proportional to 79,746,575.68, 119,619,863.48 and 19,162,301.68
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Solution
The fourth proportional to 79,746,575.68, 119,619,863.48 and 19,162,301.68 is: 28,743,452.51
Step by Step Solution
- Step 1: Write the proportion equation
79,746,575.68 : 119,619,863.48 = 19,162,301.68 : x - Step 2: Convert to fraction form
79,746,575.68/119,619,863.48 = 19,162,301.68/x - Step 3: Cross multiply
79,746,575.68x = 119,619,863.48 × 19,162,301.68 - Step 4: Simplify right side
79,746,575.68x = 2,292,191,910,924,174.50 - Step 5: Solve for x
x = 2,292,191,910,924,174.50/79,746,575.68 - Step 6: Final answer
x = 28,743,452.51
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Double scale
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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.