Finding the Fourth Proportional to 51,221,811,305.99, 76,836,591,943.91 and 15,852,744,026.39
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Solution
The fourth proportional to 51,221,811,305.99, 76,836,591,943.91 and 15,852,744,026.39 is: 23,780,315,316.65
Step by Step Solution
- Step 1: Write the proportion equation
51,221,811,305.99 : 76,836,591,943.91 = 15,852,744,026.39 : x - Step 2: Convert to fraction form
51,221,811,305.99/76,836,591,943.91 = 15,852,744,026.39/x - Step 3: Cross multiply
51,221,811,305.99x = 76,836,591,943.91 × 15,852,744,026.39 - Step 4: Simplify right side
51,221,811,305.99x = 1,218,070,823,946,521,673,728 - Step 5: Solve for x
x = 1,218,070,823,946,521,673,728/51,221,811,305.99 - Step 6: Final answer
x = 23,780,315,316.65
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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.