Finding the Fourth Proportional to 218,425,321.80, 327,637,982.70 and 56,867,257.80
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Solution
The fourth proportional to 218,425,321.80, 327,637,982.70 and 56,867,257.80 is: 85,300,886.70
Step by Step Solution
- Step 1: Write the proportion equation
218,425,321.80 : 327,637,982.70 = 56,867,257.80 : x - Step 2: Convert to fraction form
218,425,321.80/327,637,982.70 = 56,867,257.80/x - Step 3: Cross multiply
218,425,321.80x = 327,637,982.70 × 56,867,257.80 - Step 4: Simplify right side
218,425,321.80x = 18,631,873,627,272,840 - Step 5: Solve for x
x = 18,631,873,627,272,840/218,425,321.80 - Step 6: Final answer
x = 85,300,886.70
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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.