Finding the Fourth Proportional to 157,165,968.66, 235,783,459.84 and 46,492,974.44
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Solution
The fourth proportional to 157,165,968.66, 235,783,459.84 and 46,492,974.44 is: 69,749,669.51
Step by Step Solution
- Step 1: Write the proportion equation
157,165,968.66 : 235,783,459.84 = 46,492,974.44 : x - Step 2: Convert to fraction form
157,165,968.66/235,783,459.84 = 46,492,974.44/x - Step 3: Cross multiply
157,165,968.66x = 235,783,459.84 × 46,492,974.44 - Step 4: Simplify right side
157,165,968.66x = 10,962,274,371,715,886 - Step 5: Solve for x
x = 10,962,274,371,715,886/157,165,968.66 - Step 6: Final answer
x = 69,749,669.51
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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.