Finding the Fourth Proportional to 97,024,262.80, 145,536,394.20 and 39,486,917.20
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Solution
The fourth proportional to 97,024,262.80, 145,536,394.20 and 39,486,917.20 is: 59,230,375.80
Step by Step Solution
- Step 1: Write the proportion equation
97,024,262.80 : 145,536,394.20 = 39,486,917.20 : x - Step 2: Convert to fraction form
97,024,262.80/145,536,394.20 = 39,486,917.20/x - Step 3: Cross multiply
97,024,262.80x = 145,536,394.20 × 39,486,917.20 - Step 4: Simplify right side
97,024,262.80x = 5,746,783,547,361,960 - Step 5: Solve for x
x = 5,746,783,547,361,960/97,024,262.80 - Step 6: Final answer
x = 59,230,375.80
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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.