Finding the Fourth Proportional to 189,157,795.47, 283,748,680.40 and 79,962,615.63
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Solution
The fourth proportional to 189,157,795.47, 283,748,680.40 and 79,962,615.63 is: 119,948,990.79
Step by Step Solution
- Step 1: Write the proportion equation
189,157,795.47 : 283,748,680.40 = 79,962,615.63 : x - Step 2: Convert to fraction form
189,157,795.47/283,748,680.40 = 79,962,615.63/x - Step 3: Cross multiply
189,157,795.47x = 283,748,680.40 × 79,962,615.63 - Step 4: Simplify right side
189,157,795.47x = 22,689,286,665,945,100 - Step 5: Solve for x
x = 22,689,286,665,945,100/189,157,795.47 - Step 6: Final answer
x = 119,948,990.79
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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.