Finding the Fourth Proportional to 42,176,841.68, 63,193,049.40 and 23,021,045.84
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Solution
The fourth proportional to 42,176,841.68, 63,193,049.40 and 23,021,045.84 is: 34,492,153.25
Step by Step Solution
- Step 1: Write the proportion equation
42,176,841.68 : 63,193,049.40 = 23,021,045.84 : x - Step 2: Convert to fraction form
42,176,841.68/63,193,049.40 = 23,021,045.84/x - Step 3: Cross multiply
42,176,841.68x = 63,193,049.40 × 23,021,045.84 - Step 4: Simplify right side
42,176,841.68x = 1,454,770,087,006,784.50 - Step 5: Solve for x
x = 1,454,770,087,006,784.50/42,176,841.68 - Step 6: Final answer
x = 34,492,153.25
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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.