Finding the Fourth Proportional to 76,729,743, 115,094,688.21 and 21,395,367.90
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Solution
The fourth proportional to 76,729,743, 115,094,688.21 and 21,395,367.90 is: 32,093,072.40
Step by Step Solution
- Step 1: Write the proportion equation
76,729,743 : 115,094,688.21 = 21,395,367.90 : x - Step 2: Convert to fraction form
76,729,743/115,094,688.21 = 21,395,367.90/x - Step 3: Cross multiply
76,729,743x = 115,094,688.21 × 21,395,367.90 - Step 4: Simplify right side
76,729,743x = 2,462,493,197,588,742 - Step 5: Solve for x
x = 2,462,493,197,588,742/76,729,743 - Step 6: Final answer
x = 32,093,072.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.