Finding the Fourth Proportional to 67,505,672.38, 93,157,739.94 and 36,565,964.68
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Solution
The fourth proportional to 67,505,672.38, 93,157,739.94 and 36,565,964.68 is: 50,460,983.62
Step by Step Solution
- Step 1: Write the proportion equation
67,505,672.38 : 93,157,739.94 = 36,565,964.68 : x - Step 2: Convert to fraction form
67,505,672.38/93,157,739.94 = 36,565,964.68/x - Step 3: Cross multiply
67,505,672.38x = 93,157,739.94 × 36,565,964.68 - Step 4: Simplify right side
67,505,672.38x = 3,406,402,628,314,665 - Step 5: Solve for x
x = 3,406,402,628,314,665/67,505,672.38 - Step 6: Final answer
x = 50,460,983.62
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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.