Finding the Fourth Proportional to 115,823,725.62, 173,756,946.99 and 38,105,003.70
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Solution
The fourth proportional to 115,823,725.62, 173,756,946.99 and 38,105,003.70 is: 57,164,532.33
Step by Step Solution
- Step 1: Write the proportion equation
115,823,725.62 : 173,756,946.99 = 38,105,003.70 : x - Step 2: Convert to fraction form
115,823,725.62/173,756,946.99 = 38,105,003.70/x - Step 3: Cross multiply
115,823,725.62x = 173,756,946.99 × 38,105,003.70 - Step 4: Simplify right side
115,823,725.62x = 6,621,009,107,954,655 - Step 5: Solve for x
x = 6,621,009,107,954,655/115,823,725.62 - Step 6: Final answer
x = 57,164,532.33
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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.