Finding the Fourth Proportional to 159,438,615.63, 239,157,926.52 and 38,270,067.63
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Solution
The fourth proportional to 159,438,615.63, 239,157,926.52 and 38,270,067.63 is: 57,405,102.19
Step by Step Solution
- Step 1: Write the proportion equation
159,438,615.63 : 239,157,926.52 = 38,270,067.63 : x - Step 2: Convert to fraction form
159,438,615.63/239,157,926.52 = 38,270,067.63/x - Step 3: Cross multiply
159,438,615.63x = 239,157,926.52 × 38,270,067.63 - Step 4: Simplify right side
159,438,615.63x = 9,152,590,023,211,708 - Step 5: Solve for x
x = 9,152,590,023,211,708/159,438,615.63 - Step 6: Final answer
x = 57,405,102.19
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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.