Finding the Fourth Proportional to 71,866,493.10, 107,756,562.36 and 28,095,118.62
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Solution
The fourth proportional to 71,866,493.10, 107,756,562.36 and 28,095,118.62 is: 42,125,798.42
Step by Step Solution
- Step 1: Write the proportion equation
71,866,493.10 : 107,756,562.36 = 28,095,118.62 : x - Step 2: Convert to fraction form
71,866,493.10/107,756,562.36 = 28,095,118.62/x - Step 3: Cross multiply
71,866,493.10x = 107,756,562.36 × 28,095,118.62 - Step 4: Simplify right side
71,866,493.10x = 3,027,433,401,587,627 - Step 5: Solve for x
x = 3,027,433,401,587,627/71,866,493.10 - Step 6: Final answer
x = 42,125,798.42
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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.