Finding the Fourth Proportional to 64,512,083.60, 96,768,125.40 and 48,586,835.60
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Solution
The fourth proportional to 64,512,083.60, 96,768,125.40 and 48,586,835.60 is: 72,880,253.40
Step by Step Solution
- Step 1: Write the proportion equation
64,512,083.60 : 96,768,125.40 = 48,586,835.60 : x - Step 2: Convert to fraction form
64,512,083.60/96,768,125.40 = 48,586,835.60/x - Step 3: Cross multiply
64,512,083.60x = 96,768,125.40 × 48,586,835.60 - Step 4: Simplify right side
64,512,083.60x = 4,701,657,000,129,985 - Step 5: Solve for x
x = 4,701,657,000,129,985/64,512,083.60 - Step 6: Final answer
x = 72,880,253.40
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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.