Finding the Fourth Proportional to 343,872,497.70, 516,020,218.65 and 136,574,640.90
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Solution
The fourth proportional to 343,872,497.70, 516,020,218.65 and 136,574,640.90 is: 204,945,950.99
Step by Step Solution
- Step 1: Write the proportion equation
343,872,497.70 : 516,020,218.65 = 136,574,640.90 : x - Step 2: Convert to fraction form
343,872,497.70/516,020,218.65 = 136,574,640.90/x - Step 3: Cross multiply
343,872,497.70x = 516,020,218.65 × 136,574,640.90 - Step 4: Simplify right side
343,872,497.70x = 70,475,276,059,263,232 - Step 5: Solve for x
x = 70,475,276,059,263,232/343,872,497.70 - Step 6: Final answer
x = 204,945,950.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.