Finding the Fourth Proportional to 134,849,893.68, 186,093,176.76 and 72,970,896.24
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Solution
The fourth proportional to 134,849,893.68, 186,093,176.76 and 72,970,896.24 is: 100,700,011.86
Step by Step Solution
- Step 1: Write the proportion equation
134,849,893.68 : 186,093,176.76 = 72,970,896.24 : x - Step 2: Convert to fraction form
134,849,893.68/186,093,176.76 = 72,970,896.24/x - Step 3: Cross multiply
134,849,893.68x = 186,093,176.76 × 72,970,896.24 - Step 4: Simplify right side
134,849,893.68x = 13,579,385,892,325,938 - Step 5: Solve for x
x = 13,579,385,892,325,938/134,849,893.68 - Step 6: Final answer
x = 100,700,011.86
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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.