Finding the Fourth Proportional to 75,591,510.38, 104,260,585.66 and 57,007,432.79
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Solution
The fourth proportional to 75,591,510.38, 104,260,585.66 and 57,007,432.79 is: 78,628,252.03
Step by Step Solution
- Step 1: Write the proportion equation
75,591,510.38 : 104,260,585.66 = 57,007,432.79 : x - Step 2: Convert to fraction form
75,591,510.38/104,260,585.66 = 57,007,432.79/x - Step 3: Cross multiply
75,591,510.38x = 104,260,585.66 × 57,007,432.79 - Step 4: Simplify right side
75,591,510.38x = 5,943,628,328,994,666 - Step 5: Solve for x
x = 5,943,628,328,994,666/75,591,510.38 - Step 6: Final answer
x = 78,628,252.03
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1.5x scale
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.