Finding the Fourth Proportional to 263,451,679.47, 395,178,386.72 and 66,714,984.99
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Solution
The fourth proportional to 263,451,679.47, 395,178,386.72 and 66,714,984.99 is: 100,072,697.17
Step by Step Solution
- Step 1: Write the proportion equation
263,451,679.47 : 395,178,386.72 = 66,714,984.99 : x - Step 2: Convert to fraction form
263,451,679.47/395,178,386.72 = 66,714,984.99/x - Step 3: Cross multiply
263,451,679.47x = 395,178,386.72 × 66,714,984.99 - Step 4: Simplify right side
263,451,679.47x = 26,364,320,138,063,640 - Step 5: Solve for x
x = 26,364,320,138,063,640/263,451,679.47 - Step 6: Final answer
x = 100,072,697.17
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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.