Finding the Fourth Proportional to 128,504,385.16, 177,502,399.40 and 106,267,193.33
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Solution
The fourth proportional to 128,504,385.16, 177,502,399.40 and 106,267,193.33 is: 146,786,288.80
Step by Step Solution
- Step 1: Write the proportion equation
128,504,385.16 : 177,502,399.40 = 106,267,193.33 : x - Step 2: Convert to fraction form
128,504,385.16/177,502,399.40 = 106,267,193.33/x - Step 3: Cross multiply
128,504,385.16x = 177,502,399.40 × 106,267,193.33 - Step 4: Simplify right side
128,504,385.16x = 18,862,681,792,359,612 - Step 5: Solve for x
x = 18,862,681,792,359,612/128,504,385.16 - Step 6: Final answer
x = 146,786,288.80
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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.