Finding the Fourth Proportional to 86,844,651.21, 130,268,533.80 and 31,551,754.65
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Solution
The fourth proportional to 86,844,651.21, 130,268,533.80 and 31,551,754.65 is: 47,328,197.65
Step by Step Solution
- Step 1: Write the proportion equation
86,844,651.21 : 130,268,533.80 = 31,551,754.65 : x - Step 2: Convert to fraction form
86,844,651.21/130,268,533.80 = 31,551,754.65/x - Step 3: Cross multiply
86,844,651.21x = 130,268,533.80 × 31,551,754.65 - Step 4: Simplify right side
86,844,651.21x = 4,110,200,817,072,832 - Step 5: Solve for x
x = 4,110,200,817,072,832/86,844,651.21 - Step 6: Final answer
x = 47,328,197.65
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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.