Finding the Fourth Proportional to 246,949,439.70, 340,791,907.94 and 135,441,078.47
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Solution
The fourth proportional to 246,949,439.70, 340,791,907.94 and 135,441,078.47 is: 186,909,610.32
Step by Step Solution
- Step 1: Write the proportion equation
246,949,439.70 : 340,791,907.94 = 135,441,078.47 : x - Step 2: Convert to fraction form
246,949,439.70/340,791,907.94 = 135,441,078.47/x - Step 3: Cross multiply
246,949,439.70x = 340,791,907.94 × 135,441,078.47 - Step 4: Simplify right side
246,949,439.70x = 46,157,223,544,740,368 - Step 5: Solve for x
x = 46,157,223,544,740,368/246,949,439.70 - Step 6: Final answer
x = 186,909,610.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.