Finding the Fourth Proportional to 124,119,732.58, 171,285,222.63 and 71,939,035.24
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Solution
The fourth proportional to 124,119,732.58, 171,285,222.63 and 71,939,035.24 is: 99,275,863.80
Step by Step Solution
- Step 1: Write the proportion equation
124,119,732.58 : 171,285,222.63 = 71,939,035.24 : x - Step 2: Convert to fraction form
124,119,732.58/171,285,222.63 = 71,939,035.24/x - Step 3: Cross multiply
124,119,732.58x = 171,285,222.63 × 71,939,035.24 - Step 4: Simplify right side
124,119,732.58x = 12,322,093,666,307,356 - Step 5: Solve for x
x = 12,322,093,666,307,356/124,119,732.58 - Step 6: Final answer
x = 99,275,863.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.