Finding the Fourth Proportional to 113,246,042.07, 169,815,392.75 and 39,444,082.88
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Solution
The fourth proportional to 113,246,042.07, 169,815,392.75 and 39,444,082.88 is: 59,147,430.70
Step by Step Solution
- Step 1: Write the proportion equation
113,246,042.07 : 169,815,392.75 = 39,444,082.88 : x - Step 2: Convert to fraction form
113,246,042.07/169,815,392.75 = 39,444,082.88/x - Step 3: Cross multiply
113,246,042.07x = 169,815,392.75 × 39,444,082.88 - Step 4: Simplify right side
113,246,042.07x = 6,698,212,424,884,454 - Step 5: Solve for x
x = 6,698,212,424,884,454/113,246,042.07 - Step 6: Final answer
x = 59,147,430.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.