Finding the Fourth Proportional to 260,162,638.92, 358,991,343.68 and 148,660,707.42
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Solution
The fourth proportional to 260,162,638.92, 358,991,343.68 and 148,660,707.42 is: 205,132,863.54
Step by Step Solution
- Step 1: Write the proportion equation
260,162,638.92 : 358,991,343.68 = 148,660,707.42 : x - Step 2: Convert to fraction form
260,162,638.92/358,991,343.68 = 148,660,707.42/x - Step 3: Cross multiply
260,162,638.92x = 358,991,343.68 × 148,660,707.42 - Step 4: Simplify right side
260,162,638.92x = 53,367,907,108,381,840 - Step 5: Solve for x
x = 53,367,907,108,381,840/260,162,638.92 - Step 6: Final answer
x = 205,132,863.54
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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.