Finding the Fourth Proportional to 49,781,614.91, 68,703,139.91 and 30,207,461.90
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Solution
The fourth proportional to 49,781,614.91, 68,703,139.91 and 30,207,461.90 is: 41,689,034.90
Step by Step Solution
- Step 1: Write the proportion equation
49,781,614.91 : 68,703,139.91 = 30,207,461.90 : x - Step 2: Convert to fraction form
49,781,614.91/68,703,139.91 = 30,207,461.90/x - Step 3: Cross multiply
49,781,614.91x = 68,703,139.91 × 30,207,461.90 - Step 4: Simplify right side
49,781,614.91x = 2,075,347,480,973,697.25 - Step 5: Solve for x
x = 2,075,347,480,973,697.25/49,781,614.91 - Step 6: Final answer
x = 41,689,034.90
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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.