Finding the Fourth Proportional to 256,260,664.08, 384,456,518.64 and 74,507,842.08
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Solution
The fourth proportional to 256,260,664.08, 384,456,518.64 and 74,507,842.08 is: 111,780,813.81
Step by Step Solution
- Step 1: Write the proportion equation
256,260,664.08 : 384,456,518.64 = 74,507,842.08 : x - Step 2: Convert to fraction form
256,260,664.08/384,456,518.64 = 74,507,842.08/x - Step 3: Cross multiply
256,260,664.08x = 384,456,518.64 × 74,507,842.08 - Step 4: Simplify right side
256,260,664.08x = 28,645,025,577,455,696 - Step 5: Solve for x
x = 28,645,025,577,455,696/256,260,664.08 - Step 6: Final answer
x = 111,780,813.81
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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.