Finding the Fourth Proportional to 49,778,424.21, 68,672,432.97 and 47,470,548.23
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Solution
The fourth proportional to 49,778,424.21, 68,672,432.97 and 47,470,548.23 is: 65,488,574.48
Step by Step Solution
- Step 1: Write the proportion equation
49,778,424.21 : 68,672,432.97 = 47,470,548.23 : x - Step 2: Convert to fraction form
49,778,424.21/68,672,432.97 = 47,470,548.23/x - Step 3: Cross multiply
49,778,424.21x = 68,672,432.97 × 47,470,548.23 - Step 4: Simplify right side
49,778,424.21x = 3,259,918,041,373,827 - Step 5: Solve for x
x = 3,259,918,041,373,827/49,778,424.21 - Step 6: Final answer
x = 65,488,574.48
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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.