Finding the Fourth Proportional to 194,219,751.60, 291,245,646.60 and 97,137,946.80
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Solution
The fourth proportional to 194,219,751.60, 291,245,646.60 and 97,137,946.80 is: 145,664,917.66
Step by Step Solution
- Step 1: Write the proportion equation
194,219,751.60 : 291,245,646.60 = 97,137,946.80 : x - Step 2: Convert to fraction form
194,219,751.60/291,245,646.60 = 97,137,946.80/x - Step 3: Cross multiply
194,219,751.60x = 291,245,646.60 × 97,137,946.80 - Step 4: Simplify right side
194,219,751.60x = 28,291,004,125,162,404 - Step 5: Solve for x
x = 28,291,004,125,162,404/194,219,751.60 - Step 6: Final answer
x = 145,664,917.66
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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.