Finding the Fourth Proportional to 189,489,995.21, 284,262,106.41 and 58,343,367.08
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Solution
The fourth proportional to 189,489,995.21, 284,262,106.41 and 58,343,367.08 is: 87,523,398.80
Step by Step Solution
- Step 1: Write the proportion equation
189,489,995.21 : 284,262,106.41 = 58,343,367.08 : x - Step 2: Convert to fraction form
189,489,995.21/284,262,106.41 = 58,343,367.08/x - Step 3: Cross multiply
189,489,995.21x = 284,262,106.41 × 58,343,367.08 - Step 4: Simplify right side
189,489,995.21x = 16,584,808,419,791,342 - Step 5: Solve for x
x = 16,584,808,419,791,342/189,489,995.21 - Step 6: Final answer
x = 87,523,398.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.