Finding the Fourth Proportional to 194,219,957.60, 291,245,955.60 and 97,138,152.80
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Solution
The fourth proportional to 194,219,957.60, 291,245,955.60 and 97,138,152.80 is: 145,665,226.62
Step by Step Solution
- Step 1: Write the proportion equation
194,219,957.60 : 291,245,955.60 = 97,138,152.80 : x - Step 2: Convert to fraction form
194,219,957.60/291,245,955.60 = 97,138,152.80/x - Step 3: Cross multiply
194,219,957.60x = 291,245,955.60 × 97,138,152.80 - Step 4: Simplify right side
194,219,957.60x = 28,291,094,137,454,816 - Step 5: Solve for x
x = 28,291,094,137,454,816/194,219,957.60 - Step 6: Final answer
x = 145,665,226.62
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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.