Finding the Fourth Proportional to 85,002,558.80, 127,291,261.80 and 67,996,446.80
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Solution
The fourth proportional to 85,002,558.80, 127,291,261.80 and 67,996,446.80 is: 101,824,623.09
Step by Step Solution
- Step 1: Write the proportion equation
85,002,558.80 : 127,291,261.80 = 67,996,446.80 : x - Step 2: Convert to fraction form
85,002,558.80/127,291,261.80 = 67,996,446.80/x - Step 3: Cross multiply
85,002,558.80x = 127,291,261.80 × 67,996,446.80 - Step 4: Simplify right side
85,002,558.80x = 8,655,353,511,088,572 - Step 5: Solve for x
x = 8,655,353,511,088,572/85,002,558.80 - Step 6: Final answer
x = 101,824,623.09
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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.