Finding the Fourth Proportional to 263,451,681.47, 395,178,389.72 and 66,714,986.99
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Solution
The fourth proportional to 263,451,681.47, 395,178,389.72 and 66,714,986.99 is: 100,072,700.17
Step by Step Solution
- Step 1: Write the proportion equation
263,451,681.47 : 395,178,389.72 = 66,714,986.99 : x - Step 2: Convert to fraction form
263,451,681.47/395,178,389.72 = 66,714,986.99/x - Step 3: Cross multiply
263,451,681.47x = 395,178,389.72 × 66,714,986.99 - Step 4: Simplify right side
263,451,681.47x = 26,364,321,128,898,952 - Step 5: Solve for x
x = 26,364,321,128,898,952/263,451,681.47 - Step 6: Final answer
x = 100,072,700.17
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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.