Finding the Fourth Proportional to 97,008,164.20, 145,512,246.30 and 48,493,505.80
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Solution
The fourth proportional to 97,008,164.20, 145,512,246.30 and 48,493,505.80 is: 72,740,258.70
Step by Step Solution
- Step 1: Write the proportion equation
97,008,164.20 : 145,512,246.30 = 48,493,505.80 : x - Step 2: Convert to fraction form
97,008,164.20/145,512,246.30 = 48,493,505.80/x - Step 3: Cross multiply
97,008,164.20x = 145,512,246.30 × 48,493,505.80 - Step 4: Simplify right side
97,008,164.20x = 7,056,398,959,920,079 - Step 5: Solve for x
x = 7,056,398,959,920,079/97,008,164.20 - Step 6: Final answer
x = 72,740,258.70
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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.