Finding the Fourth Proportional to 80,208,454.70, 110,684,478.84 and 45,408,363.96
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Solution
The fourth proportional to 80,208,454.70, 110,684,478.84 and 45,408,363.96 is: 62,661,737.08
Step by Step Solution
- Step 1: Write the proportion equation
80,208,454.70 : 110,684,478.84 = 45,408,363.96 : x - Step 2: Convert to fraction form
80,208,454.70/110,684,478.84 = 45,408,363.96/x - Step 3: Cross multiply
80,208,454.70x = 110,684,478.84 × 45,408,363.96 - Step 4: Simplify right side
80,208,454.70x = 5,026,001,099,889,639 - Step 5: Solve for x
x = 5,026,001,099,889,639/80,208,454.70 - Step 6: Final answer
x = 62,661,737.08
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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.