Finding the Fourth Proportional to 124,127,337.67, 171,289,394.94 and 68,371,557.79
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Solution
The fourth proportional to 124,127,337.67, 171,289,394.94 and 68,371,557.79 is: 94,349,262.50
Step by Step Solution
- Step 1: Write the proportion equation
124,127,337.67 : 171,289,394.94 = 68,371,557.79 : x - Step 2: Convert to fraction form
124,127,337.67/171,289,394.94 = 68,371,557.79/x - Step 3: Cross multiply
124,127,337.67x = 171,289,394.94 × 68,371,557.79 - Step 4: Simplify right side
124,127,337.67x = 11,711,322,764,954,344 - Step 5: Solve for x
x = 11,711,322,764,954,344/124,127,337.67 - Step 6: Final answer
x = 94,349,262.50
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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.