Finding the Fourth Proportional to 257,070,446.48, 354,752,149.18 and 151,235,299.93
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Solution
The fourth proportional to 257,070,446.48, 354,752,149.18 and 151,235,299.93 is: 208,701,732.99
Step by Step Solution
- Step 1: Write the proportion equation
257,070,446.48 : 354,752,149.18 = 151,235,299.93 : x - Step 2: Convert to fraction form
257,070,446.48/354,752,149.18 = 151,235,299.93/x - Step 3: Cross multiply
257,070,446.48x = 354,752,149.18 × 151,235,299.93 - Step 4: Simplify right side
257,070,446.48x = 53,651,047,682,049,408 - Step 5: Solve for x
x = 53,651,047,682,049,408/257,070,446.48 - Step 6: Final answer
x = 208,701,732.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.