Finding the Fourth Proportional to 239,837,510.79, 359,701,879.47 and 108,593,145.09
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Solution
The fourth proportional to 239,837,510.79, 359,701,879.47 and 108,593,145.09 is: 162,865,092.53
Step by Step Solution
- Step 1: Write the proportion equation
239,837,510.79 : 359,701,879.47 = 108,593,145.09 : x - Step 2: Convert to fraction form
239,837,510.79/359,701,879.47 = 108,593,145.09/x - Step 3: Cross multiply
239,837,510.79x = 359,701,879.47 × 108,593,145.09 - Step 4: Simplify right side
239,837,510.79x = 39,061,158,386,431,408 - Step 5: Solve for x
x = 39,061,158,386,431,408/239,837,510.79 - Step 6: Final answer
x = 162,865,092.53
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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.