Finding the Fourth Proportional to 159,438,747.63, 239,158,124.34 and 38,270,199.63
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Solution
The fourth proportional to 159,438,747.63, 239,158,124.34 and 38,270,199.63 is: 57,405,300.14
Step by Step Solution
- Step 1: Write the proportion equation
159,438,747.63 : 239,158,124.34 = 38,270,199.63 : x - Step 2: Convert to fraction form
159,438,747.63/239,158,124.34 = 38,270,199.63/x - Step 3: Cross multiply
159,438,747.63x = 239,158,124.34 × 38,270,199.63 - Step 4: Simplify right side
159,438,747.63x = 9,152,629,161,628,162 - Step 5: Solve for x
x = 9,152,629,161,628,162/159,438,747.63 - Step 6: Final answer
x = 57,405,300.14
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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.