Finding the Fourth Proportional to 170,679,662.36, 235,512,596.94 and 103,663,746.68
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Solution
The fourth proportional to 170,679,662.36, 235,512,596.94 and 103,663,746.68 is: 143,040,581.70
Step by Step Solution
- Step 1: Write the proportion equation
170,679,662.36 : 235,512,596.94 = 103,663,746.68 : x - Step 2: Convert to fraction form
170,679,662.36/235,512,596.94 = 103,663,746.68/x - Step 3: Cross multiply
170,679,662.36x = 235,512,596.94 × 103,663,746.68 - Step 4: Simplify right side
170,679,662.36x = 24,414,118,189,137,104 - Step 5: Solve for x
x = 24,414,118,189,137,104/170,679,662.36 - Step 6: Final answer
x = 143,040,581.70
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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.