Finding the Fourth Proportional to 97,818,080.40, 146,727,120.60 and 40,291,232.40
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Solution
The fourth proportional to 97,818,080.40, 146,727,120.60 and 40,291,232.40 is: 60,436,848.60
Step by Step Solution
- Step 1: Write the proportion equation
97,818,080.40 : 146,727,120.60 = 40,291,232.40 : x - Step 2: Convert to fraction form
97,818,080.40/146,727,120.60 = 40,291,232.40/x - Step 3: Cross multiply
97,818,080.40x = 146,727,120.60 × 40,291,232.40 - Step 4: Simplify right side
97,818,080.40x = 5,911,816,515,477,427 - Step 5: Solve for x
x = 5,911,816,515,477,427/97,818,080.40 - Step 6: Final answer
x = 60,436,848.60
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1.5x scale
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.