Finding the Fourth Proportional to 32,307,116.20, 48,460,674.30 and 31,031,657.80
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Solution
The fourth proportional to 32,307,116.20, 48,460,674.30 and 31,031,657.80 is: 46,547,486.70
Step by Step Solution
- Step 1: Write the proportion equation
32,307,116.20 : 48,460,674.30 = 31,031,657.80 : x - Step 2: Convert to fraction form
32,307,116.20/48,460,674.30 = 31,031,657.80/x - Step 3: Cross multiply
32,307,116.20x = 48,460,674.30 × 31,031,657.80 - Step 4: Simplify right side
32,307,116.20x = 1,503,815,061,634,854.50 - Step 5: Solve for x
x = 1,503,815,061,634,854.50/32,307,116.20 - Step 6: Final answer
x = 46,547,486.70
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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.