Finding the Fourth Proportional to 102,057,527.80, 153,086,291.70 and 97,805,999.80
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Solution
The fourth proportional to 102,057,527.80, 153,086,291.70 and 97,805,999.80 is: 146,708,999.70
Step by Step Solution
- Step 1: Write the proportion equation
102,057,527.80 : 153,086,291.70 = 97,805,999.80 : x - Step 2: Convert to fraction form
102,057,527.80/153,086,291.70 = 97,805,999.80/x - Step 3: Cross multiply
102,057,527.80x = 153,086,291.70 × 97,805,999.80 - Step 4: Simplify right side
102,057,527.80x = 14,972,757,815,392,940 - Step 5: Solve for x
x = 14,972,757,815,392,940/102,057,527.80 - Step 6: Final answer
x = 146,708,999.70
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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.