Finding the Fourth Proportional to 71,569,646.10, 107,385,961.95 and 33,211,415.70
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Solution
The fourth proportional to 71,569,646.10, 107,385,961.95 and 33,211,415.70 is: 49,831,737.57
Step by Step Solution
- Step 1: Write the proportion equation
71,569,646.10 : 107,385,961.95 = 33,211,415.70 : x - Step 2: Convert to fraction form
71,569,646.10/107,385,961.95 = 33,211,415.70/x - Step 3: Cross multiply
71,569,646.10x = 107,385,961.95 × 33,211,415.70 - Step 4: Simplify right side
71,569,646.10x = 3,566,439,822,665,832.50 - Step 5: Solve for x
x = 3,566,439,822,665,832.50/71,569,646.10 - Step 6: Final answer
x = 49,831,737.57
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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.