Finding the Fourth Proportional to 268,056,368.50, 369,933,589.74 and 201,860,077.54
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Solution
The fourth proportional to 268,056,368.50, 369,933,589.74 and 201,860,077.54 is: 278,578,806.12
Step by Step Solution
- Step 1: Write the proportion equation
268,056,368.50 : 369,933,589.74 = 201,860,077.54 : x - Step 2: Convert to fraction form
268,056,368.50/369,933,589.74 = 201,860,077.54/x - Step 3: Cross multiply
268,056,368.50x = 369,933,589.74 × 201,860,077.54 - Step 4: Simplify right side
268,056,368.50x = 74,674,823,109,566,944 - Step 5: Solve for x
x = 74,674,823,109,566,944/268,056,368.50 - Step 6: Final answer
x = 278,578,806.12
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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.