Finding the Fourth Proportional to 50,871,780.68, 70,202,378.58 and 27,666,408.20
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Solution
The fourth proportional to 50,871,780.68, 70,202,378.58 and 27,666,408.20 is: 38,179,274.18
Step by Step Solution
- Step 1: Write the proportion equation
50,871,780.68 : 70,202,378.58 = 27,666,408.20 : x - Step 2: Convert to fraction form
50,871,780.68/70,202,378.58 = 27,666,408.20/x - Step 3: Cross multiply
50,871,780.68x = 70,202,378.58 × 27,666,408.20 - Step 4: Simplify right side
50,871,780.68x = 1,942,247,662,405,216.25 - Step 5: Solve for x
x = 1,942,247,662,405,216.25/50,871,780.68 - Step 6: Final answer
x = 38,179,274.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.