Finding the Fourth Proportional to 89,243,837.63, 133,922,385.17 and 38,126,240.99
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Solution
The fourth proportional to 89,243,837.63, 133,922,385.17 and 38,126,240.99 is: 57,213,554.08
Step by Step Solution
- Step 1: Write the proportion equation
89,243,837.63 : 133,922,385.17 = 38,126,240.99 : x - Step 2: Convert to fraction form
89,243,837.63/133,922,385.17 = 38,126,240.99/x - Step 3: Cross multiply
89,243,837.63x = 133,922,385.17 × 38,126,240.99 - Step 4: Simplify right side
89,243,837.63x = 5,105,957,130,086,779 - Step 5: Solve for x
x = 5,105,957,130,086,779/89,243,837.63 - Step 6: Final answer
x = 57,213,554.08
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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.