Finding the Fourth Proportional to 67,689,202.93, 101,543,445.13 and 21,006,721.98
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Solution
The fourth proportional to 67,689,202.93, 101,543,445.13 and 21,006,721.98 is: 31,513,074.88
Step by Step Solution
- Step 1: Write the proportion equation
67,689,202.93 : 101,543,445.13 = 21,006,721.98 : x - Step 2: Convert to fraction form
67,689,202.93/101,543,445.13 = 21,006,721.98/x - Step 3: Cross multiply
67,689,202.93x = 101,543,445.13 × 21,006,721.98 - Step 4: Simplify right side
67,689,202.93x = 2,133,094,920,737,295 - Step 5: Solve for x
x = 2,133,094,920,737,295/67,689,202.93 - Step 6: Final answer
x = 31,513,074.88
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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.