Finding the Fourth Proportional to 279,936,259.80, 419,904,389.70 and 88,460,035.80
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Solution
The fourth proportional to 279,936,259.80, 419,904,389.70 and 88,460,035.80 is: 132,690,053.70
Step by Step Solution
- Step 1: Write the proportion equation
279,936,259.80 : 419,904,389.70 = 88,460,035.80 : x - Step 2: Convert to fraction form
279,936,259.80/419,904,389.70 = 88,460,035.80/x - Step 3: Cross multiply
279,936,259.80x = 419,904,389.70 × 88,460,035.80 - Step 4: Simplify right side
279,936,259.80x = 37,144,757,345,439,152 - Step 5: Solve for x
x = 37,144,757,345,439,152/279,936,259.80 - Step 6: Final answer
x = 132,690,053.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.