Finding the Fourth Proportional to 100,343,450.08, 138,442,927.70 and 58,497,895.43
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Solution
The fourth proportional to 100,343,450.08, 138,442,927.70 and 58,497,895.43 is: 80,709,003.94
Step by Step Solution
- Step 1: Write the proportion equation
100,343,450.08 : 138,442,927.70 = 58,497,895.43 : x - Step 2: Convert to fraction form
100,343,450.08/138,442,927.70 = 58,497,895.43/x - Step 3: Cross multiply
100,343,450.08x = 138,442,927.70 × 58,497,895.43 - Step 4: Simplify right side
100,343,450.08x = 8,098,619,907,617,650 - Step 5: Solve for x
x = 8,098,619,907,617,650/100,343,450.08 - Step 6: Final answer
x = 80,709,003.94
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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.