Finding the Fourth Proportional to 62,213,105.20, 93,319,657.80 and 28,135,562.80
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Solution
The fourth proportional to 62,213,105.20, 93,319,657.80 and 28,135,562.80 is: 42,203,344.20
Step by Step Solution
- Step 1: Write the proportion equation
62,213,105.20 : 93,319,657.80 = 28,135,562.80 : x - Step 2: Convert to fraction form
62,213,105.20/93,319,657.80 = 28,135,562.80/x - Step 3: Cross multiply
62,213,105.20x = 93,319,657.80 × 28,135,562.80 - Step 4: Simplify right side
62,213,105.20x = 2,625,601,092,506,410 - Step 5: Solve for x
x = 2,625,601,092,506,410/62,213,105.20 - Step 6: Final answer
x = 42,203,344.20
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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.