Finding the Fourth Proportional to 66,121,539.37, 91,245,397.05 and 36,351,970.70
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Solution
The fourth proportional to 66,121,539.37, 91,245,397.05 and 36,351,970.70 is: 50,164,440.08
Step by Step Solution
- Step 1: Write the proportion equation
66,121,539.37 : 91,245,397.05 = 36,351,970.70 : x - Step 2: Convert to fraction form
66,121,539.37/91,245,397.05 = 36,351,970.70/x - Step 3: Cross multiply
66,121,539.37x = 91,245,397.05 × 36,351,970.70 - Step 4: Simplify right side
66,121,539.37x = 3,316,949,999,615,239.50 - Step 5: Solve for x
x = 3,316,949,999,615,239.50/66,121,539.37 - Step 6: Final answer
x = 50,164,440.08
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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.