Finding the Fourth Proportional to 159,493,118.23, 239,239,677.48 and 38,324,570.23
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Solution
The fourth proportional to 159,493,118.23, 239,239,677.48 and 38,324,570.23 is: 57,486,855.38
Step by Step Solution
- Step 1: Write the proportion equation
159,493,118.23 : 239,239,677.48 = 38,324,570.23 : x - Step 2: Convert to fraction form
159,493,118.23/239,239,677.48 = 38,324,570.23/x - Step 3: Cross multiply
159,493,118.23x = 239,239,677.48 × 38,324,570.23 - Step 4: Simplify right side
159,493,118.23x = 9,168,757,821,384,808 - Step 5: Solve for x
x = 9,168,757,821,384,808/159,493,118.23 - Step 6: Final answer
x = 57,486,855.38
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1.5x scale
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.