Finding the Fourth Proportional to 99,296,803.72, 136,972,528.07 and 62,062,464.42
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Solution
The fourth proportional to 99,296,803.72, 136,972,528.07 and 62,062,464.42 is: 85,610,536.61
Step by Step Solution
- Step 1: Write the proportion equation
99,296,803.72 : 136,972,528.07 = 62,062,464.42 : x - Step 2: Convert to fraction form
99,296,803.72/136,972,528.07 = 62,062,464.42/x - Step 3: Cross multiply
99,296,803.72x = 136,972,528.07 × 62,062,464.42 - Step 4: Simplify right side
99,296,803.72x = 8,500,852,649,861,826 - Step 5: Solve for x
x = 8,500,852,649,861,826/99,296,803.72 - Step 6: Final answer
x = 85,610,536.61
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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.