Finding the Fourth Proportional to 209,163,303.93, 313,783,262.55 and 86,274,584.04
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Solution
The fourth proportional to 209,163,303.93, 313,783,262.55 and 86,274,584.04 is: 129,427,676.59
Step by Step Solution
- Step 1: Write the proportion equation
209,163,303.93 : 313,783,262.55 = 86,274,584.04 : x - Step 2: Convert to fraction form
209,163,303.93/313,783,262.55 = 86,274,584.04/x - Step 3: Cross multiply
209,163,303.93x = 313,783,262.55 × 86,274,584.04 - Step 4: Simplify right side
209,163,303.93x = 27,071,520,455,215,364 - Step 5: Solve for x
x = 27,071,520,455,215,364/209,163,303.93 - Step 6: Final answer
x = 129,427,676.59
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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.