Finding the Fourth Proportional to 151,813,476.95, 209,502,697.04 and 82,198,904.99
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Solution
The fourth proportional to 151,813,476.95, 209,502,697.04 and 82,198,904.99 is: 113,434,542.41
Step by Step Solution
- Step 1: Write the proportion equation
151,813,476.95 : 209,502,697.04 = 82,198,904.99 : x - Step 2: Convert to fraction form
151,813,476.95/209,502,697.04 = 82,198,904.99/x - Step 3: Cross multiply
151,813,476.95x = 209,502,697.04 × 82,198,904.99 - Step 4: Simplify right side
151,813,476.95x = 17,220,892,289,139,712 - Step 5: Solve for x
x = 17,220,892,289,139,712/151,813,476.95 - Step 6: Final answer
x = 113,434,542.41
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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.