Finding the Fourth Proportional to 143,256,273.68, 214,803,690.78 and 49,840,404.68
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Solution
The fourth proportional to 143,256,273.68, 214,803,690.78 and 49,840,404.68 is: 74,732,523.75
Step by Step Solution
- Step 1: Write the proportion equation
143,256,273.68 : 214,803,690.78 = 49,840,404.68 : x - Step 2: Convert to fraction form
143,256,273.68/214,803,690.78 = 49,840,404.68/x - Step 3: Cross multiply
143,256,273.68x = 214,803,690.78 × 49,840,404.68 - Step 4: Simplify right side
143,256,273.68x = 10,705,902,875,232,784 - Step 5: Solve for x
x = 10,705,902,875,232,784/143,256,273.68 - Step 6: Final answer
x = 74,732,523.75
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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.