Finding the Fourth Proportional to 247,811,588.97, 371,759,731.98 and 102,165,532.81
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Solution
The fourth proportional to 247,811,588.97, 371,759,731.98 and 102,165,532.81 is: 153,265,758.28
Step by Step Solution
- Step 1: Write the proportion equation
247,811,588.97 : 371,759,731.98 = 102,165,532.81 : x - Step 2: Convert to fraction form
247,811,588.97/371,759,731.98 = 102,165,532.81/x - Step 3: Cross multiply
247,811,588.97x = 371,759,731.98 × 102,165,532.81 - Step 4: Simplify right side
247,811,588.97x = 37,981,031,094,528,672 - Step 5: Solve for x
x = 37,981,031,094,528,672/247,811,588.97 - Step 6: Final answer
x = 153,265,758.28
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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.