Finding the Fourth Proportional to 51,774,715.20, 77,662,072.80 and 48,583,444.80
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Solution
The fourth proportional to 51,774,715.20, 77,662,072.80 and 48,583,444.80 is: 72,875,167.20
Step by Step Solution
- Step 1: Write the proportion equation
51,774,715.20 : 77,662,072.80 = 48,583,444.80 : x - Step 2: Convert to fraction form
51,774,715.20/77,662,072.80 = 48,583,444.80/x - Step 3: Cross multiply
51,774,715.20x = 77,662,072.80 × 48,583,444.80 - Step 4: Simplify right side
51,774,715.20x = 3,773,091,026,932,381 - Step 5: Solve for x
x = 3,773,091,026,932,381/51,774,715.20 - Step 6: Final answer
x = 72,875,167.20
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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.