Finding the Fourth Proportional to 304,023,478.99, 419,541,160.98 and 164,791,251.40
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Solution
The fourth proportional to 304,023,478.99, 419,541,160.98 and 164,791,251.40 is: 227,405,834.45
Step by Step Solution
- Step 1: Write the proportion equation
304,023,478.99 : 419,541,160.98 = 164,791,251.40 : x - Step 2: Convert to fraction form
304,023,478.99/419,541,160.98 = 164,791,251.40/x - Step 3: Cross multiply
304,023,478.99x = 419,541,160.98 × 164,791,251.40 - Step 4: Simplify right side
304,023,478.99x = 69,136,712,931,703,056 - Step 5: Solve for x
x = 69,136,712,931,703,056/304,023,478.99 - Step 6: Final answer
x = 227,405,834.45
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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.