Finding the Fourth Proportional to 342,864,147.60, 473,156,357.88 and 201,766,562.10
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Solution
The fourth proportional to 342,864,147.60, 473,156,357.88 and 201,766,562.10 is: 278,440,112.02
Step by Step Solution
- Step 1: Write the proportion equation
342,864,147.60 : 473,156,357.88 = 201,766,562.10 : x - Step 2: Convert to fraction form
342,864,147.60/473,156,357.88 = 201,766,562.10/x - Step 3: Cross multiply
342,864,147.60x = 473,156,357.88 × 201,766,562.10 - Step 4: Simplify right side
342,864,147.60x = 95,467,131,665,204,848 - Step 5: Solve for x
x = 95,467,131,665,204,848/342,864,147.60 - Step 6: Final answer
x = 278,440,112.02
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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.