Finding the Fourth Proportional to 146,709,652.65, 220,064,478.98 and 135,624,187.05
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Solution
The fourth proportional to 146,709,652.65, 220,064,478.98 and 135,624,187.05 is: 203,436,280.58
Step by Step Solution
- Step 1: Write the proportion equation
146,709,652.65 : 220,064,478.98 = 135,624,187.05 : x - Step 2: Convert to fraction form
146,709,652.65/220,064,478.98 = 135,624,187.05/x - Step 3: Cross multiply
146,709,652.65x = 220,064,478.98 × 135,624,187.05 - Step 4: Simplify right side
146,709,652.65x = 29,846,066,059,566,196 - Step 5: Solve for x
x = 29,846,066,059,566,196/146,709,652.65 - Step 6: Final answer
x = 203,436,280.58
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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.