Finding the Fourth Proportional to 108,451,721.48, 149,608,035.79 and 69,252,283.40
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Solution
The fourth proportional to 108,451,721.48, 149,608,035.79 and 69,252,283.40 is: 95,532,813.60
Step by Step Solution
- Step 1: Write the proportion equation
108,451,721.48 : 149,608,035.79 = 69,252,283.40 : x - Step 2: Convert to fraction form
108,451,721.48/149,608,035.79 = 69,252,283.40/x - Step 3: Cross multiply
108,451,721.48x = 149,608,035.79 × 69,252,283.40 - Step 4: Simplify right side
108,451,721.48x = 10,360,698,092,525,250 - Step 5: Solve for x
x = 10,360,698,092,525,250/108,451,721.48 - Step 6: Final answer
x = 95,532,813.60
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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.