Finding the Fourth Proportional to 250,704,735.99, 345,983,341.08 and 139,195,582.31
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Solution
The fourth proportional to 250,704,735.99, 345,983,341.08 and 139,195,582.31 is: 192,095,902.94
Step by Step Solution
- Step 1: Write the proportion equation
250,704,735.99 : 345,983,341.08 = 139,195,582.31 : x - Step 2: Convert to fraction form
250,704,735.99/345,983,341.08 = 139,195,582.31/x - Step 3: Cross multiply
250,704,735.99x = 345,983,341.08 × 139,195,582.31 - Step 4: Simplify right side
250,704,735.99x = 48,159,352,631,189,944 - Step 5: Solve for x
x = 48,159,352,631,189,944/250,704,735.99 - Step 6: Final answer
x = 192,095,902.94
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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.