Finding the Fourth Proportional to 244,396,985.70, 367,020,631.35 and 129,605,729.70
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Solution
The fourth proportional to 244,396,985.70, 367,020,631.35 and 129,605,729.70 is: 194,634,056.57
Step by Step Solution
- Step 1: Write the proportion equation
244,396,985.70 : 367,020,631.35 = 129,605,729.70 : x - Step 2: Convert to fraction form
244,396,985.70/367,020,631.35 = 129,605,729.70/x - Step 3: Cross multiply
244,396,985.70x = 367,020,631.35 × 129,605,729.70 - Step 4: Simplify right side
244,396,985.70x = 47,567,976,741,071,448 - Step 5: Solve for x
x = 47,567,976,741,071,448/244,396,985.70 - Step 6: Final answer
x = 194,634,056.57
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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.