Finding the Fourth Proportional to 55,775,823.30, 83,831,696.55 and 48,385,512.90
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Solution
The fourth proportional to 55,775,823.30, 83,831,696.55 and 48,385,512.90 is: 72,723,976.00
Step by Step Solution
- Step 1: Write the proportion equation
55,775,823.30 : 83,831,696.55 = 48,385,512.90 : x - Step 2: Convert to fraction form
55,775,823.30/83,831,696.55 = 48,385,512.90/x - Step 3: Cross multiply
55,775,823.30x = 83,831,696.55 × 48,385,512.90 - Step 4: Simplify right side
55,775,823.30x = 4,056,239,634,848,910 - Step 5: Solve for x
x = 4,056,239,634,848,910/55,775,823.30 - Step 6: Final answer
x = 72,723,976.00
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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.