Finding the Fourth Proportional to 97,009,660.80, 145,514,491.20 and 66,398,659.20
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Solution
The fourth proportional to 97,009,660.80, 145,514,491.20 and 66,398,659.20 is: 99,597,988.80
Step by Step Solution
- Step 1: Write the proportion equation
97,009,660.80 : 145,514,491.20 = 66,398,659.20 : x - Step 2: Convert to fraction form
97,009,660.80/145,514,491.20 = 66,398,659.20/x - Step 3: Cross multiply
97,009,660.80x = 145,514,491.20 × 66,398,659.20 - Step 4: Simplify right side
97,009,660.80x = 9,661,967,109,850,198 - Step 5: Solve for x
x = 9,661,967,109,850,198/97,009,660.80 - Step 6: Final answer
x = 99,597,988.80
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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.